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Under normal conditions purchase rumalaya forte 30 pills muscle relaxant in pregnancy, exercise-1 induced beta -adrenergic “feed-forward” dilation predominates buy 30pills rumalaya forte with mastercard muscle relaxant images, resulting in a higher flow relative to the2 6 level of myocardial oxygen consumption cheap rumalaya forte 30pills fast delivery spasms foot. This neural control mechanism produces transient vasodilation before the buildup of local metabolites during exercise and prevents the development of subendocardial ischemia during abrupt changes in demand order 30pills rumalaya forte with visa spasms back. After nonselective beta blockade, sympathetic activation unmasks alpha -mediated coronary artery constriction. Intense alpha -adrenergic constriction can overcome intrinsic stimuli for1 6 metabolic vasodilation to result in ischemia in the presence of pharmacologic vasodilator reserve. This partly reflects the competing effects of presynaptic alpha receptor2 stimulation, leading to reduced vasoconstriction by inhibiting norepinephrine release. Paracrine Vasoactive Mediators and Coronary Vasospasm Many paracrine factors can affect coronary tone in normal and pathophysiologic states that are unrelated to normal coronary circulatory control. Paracrine factors are released from epicardial artery thrombi after activation of the thrombotic cascade initiated by plaque rupture. They can modulate epicardial tone in regions near eccentric ulcerated plaques still responsive to stimuli that alter smooth muscle relaxation and constriction, leading to dynamic changes in the physiologic significance of a stenosis. Serotonin released from activated platelets causes vasoconstriction in normal and atherosclerotic conduit arteries and can increase the functional severity of a dynamic coronary stenosis through superimposed vasospasm. Thromboxane A is a potent vasoconstrictor that is a product of endoperoxide metabolism and is2 released during platelet aggregation. It produces vasoconstriction of conduit arteries as well as isolated coronary resistance vessels and can accentuate acute myocardial ischemia. In vivo, thrombin also releases thromboxane A , leading to2 vasoconstriction in epicardial stenoses in which endothelium-dependent vasodilation is impaired. In the coronary resistance vasculature, thrombin acts as an endothelium-dependent vasodilator and increases coronary flow. Coronary Vasospasm Coronary spasm results in transient functional occlusion of a coronary artery that is reversible with nitrate vasodilation. It most frequently occurs in the setting of a coronary stenosis, leading to dynamic stenosis behavior that can dissociate the effects on perfusion from anatomic stenosis severity (see Chapter 20). Nevertheless, although impaired endothelium-dependent vasodilation is a permissive factor for vasospasm, it is not causal, and a trigger is required (e. The mechanisms responsible for variant angina with normal coronary arteries, or Prinzmetal angina, are less clear. Data from animal models have pointed to sensitization of intrinsic vasoconstrictor mechanisms (see Classic References, Konidala and Gutterman). Coronary arteries demonstrate supersensitivity to vasoconstrictor agonists in vivo and in vitro as well as reduced vasodilator responses. The effects of pharmacologic vasodilators on coronary flow reflect direct actions on vascular smooth muscle as well as secondary adjustments in resistance artery tone. Flow-mediated dilation can amplify the vasodilator response, whereas autoregulatory adjustments can overcome vasodilation in a segment of the microcirculation and restore flow to normal. The potent resistance vessel vasodilators are 7 specifically used in assessing coronary stenosis severity. Nitroglycerin dilates epicardial conduit arteries and small coronary resistance arteries but does not increase coronary blood flow in the normal heart (see Classic References, Duncker and Bache). The latter observation reflects the fact that transient arteriolar vasodilation is overcome by autoregulatory 3,4 escape, which returns coronary resistance to control levels. Similarly, coronary collateral vessels dilate in response to nitroglycerin, and the reduction in collateral resistance can improve regional 6 perfusion in some settings. All calcium channel blockers induce vascular smooth muscle relaxation and are, to various degrees, pharmacologic coronary vasodilators. In epicardial arteries the vasodilator response is similar to nitroglycerin and is effective in preventing coronary vasospasm superimposed on a coronary stenosis, as well as in normal arteries of patients with variant angina. Calcium channel blockers also submaximally vasodilate coronary resistance vessels. In this regard, dihydropyridine derivatives such as nifedipine are particularly potent and can sometimes precipitate subendocardial ischemia in the presence of a critical stenosis. This arises from a transmural redistribution of blood flow (coronary steal) as well as the tachycardia and hypotension that transiently occur with short half-life formulations of nifedipine. Experimentally, a differential sensitivity of the microcirculation to adenosine is observed, with the direct 3,4 effects related to resistance vessel size and restricted primarily to vessels smaller than 100 µm. These agents 7 circumvent the need for continuous infusions during myocardial perfusion imaging (see Chapter 16). Dipyridamole produces vasodilation by inhibiting the myocyte reuptake of adenosine released from cardiac myocytes. It therefore has actions and mechanisms similar to those of adenosine, with the exception that the vasodilation is more prolonged. It can be reversed with the administration of the nonspecific adenosine receptor blocker aminophylline. Papaverine is a short-acting coronary vasodilator that was the first agent used for intracoronary vasodilation. After bolus injection, it has a rapid onset of action, but the vasodilation is more prolonged than after adenosine (approximately 2 minutes). In fact, individual coronary resistance arteries are a longitudinally distributed network, and in vivo studies of the coronary microcirculation have demonstrated considerable spatial heterogeneity of specific 3,4,6 resistance vessel control mechanisms (Fig. Each resistance vessel needs to dilate in an orchestrated fashion to meet the needs of the downstream vascular bed, which is frequently removed from the site of metabolic control of coronary resistance. This can be accomplished independently of metabolic signals by sensing physical forces such as intraluminal flow (shear stress–mediated control) or intraluminal pressure changes (myogenic control). Epicardial arteries (>400 µm in diameter) serve a conduit artery function, with diameter primarily regulated by shear stress, and contribute minimal pressure drop (<5%) over a wide range of coronary flow. Coronary arterial resistance vessels can be divided into small arteries (100 to 400 µm), which regulate their tone in response to local shear stress and luminal pressure changes (myogenic response), and arterioles (<100 µm), which are sensitive to changes in local tissue metabolism and directly control perfusion of the low-resistance coronary capillary 3,4 2 bed (Fig. Capillary density of the myocardium averages 3500/mm (resulting in average intercapillary distance of 17 µm), which is greater in the subendocardium than in the subepicardium. The epicardial conduit arteries arborize into subepicardial and subendocardial resistance arteries. Intramural penetrating resistance arteries are unique in that they are removed from subendocardial metabolic stimuli and theoretically are more dependent on regulating their tone in response to shear stress and luminal pressure as mechanisms to produce dilation in response to changes in metabolism of the distal subendocardial arteriolar plexus. Regulation of coronary vasomotor tone under normal conditions and during acute myocardial hypoperfusion. Small distal arterioles immediately before the capillaries are sensitive to tissue metabolites. Upstream intermediate arterioles are pressure sensitive, with myogenic mechanisms predominating. Small resistance arteries are removed from the metabolic milieu and primarily adjust local tone in response to shear stress and flow. A, Under resting conditions, most of the pressure drop to flow arises from small arteries and arterioles.
Approximately 14–34% of a radiolabelled ● Anxiolytics and hypnotics: risk of dose of efavirenz was recovered in the urine prolonged sedation with midazolam – and less than 1% of the dose was excreted in avoid concomitant use discount 30 pills rumalaya forte with amex spasms sternum. Te metabolite formed by N-oxidation ● Ergot alkaloids: increased risk of has demonstrated no activity in animal in vasospasm – avoid cheap rumalaya forte 30 pills with visa spasms and pain under right rib cage. Approximately 31% of a dose is eliminated Tests should be repeated within 3 to 5 days in the urine as metabolites order rumalaya forte 30pills with visa yorkie spasms, and about 59% in if found to be abnormal order 30pills rumalaya forte overnight delivery spasms everywhere, liver function the faeces (20% unchanged). Te systemic emtricitabine and dialysate ﬂow rate of approximately exposure (mean ± standard deviation) 600 mL/min). In vitro human microsomal studies and in vivo References: studies indicate that enfuvirtide is not an 1. Volume of distribution 5 litres ● Use with care in patients receiving oral (L/kg) anticoagulants, platelet aggregation inhibitors, aspirin or dextran. Hence the use of unfractionated ● Manufacturer advises monitoring of heparin would be preferable in these the anti-factor-Xa activity, whatever the instances. Volume of distribution 20 litres ● Dopaminergics: possibly enhances (L/kg) eﬀects of apomorphine; possibly reduces Half-life – normal/ 1–6-3. A 4 hour Entecavir is predominantly eliminated by period of haemodialysis removed ≈13% of the the kidney: renal clearance is independent dose, and 0. Epirubicin and its epirubicin in bladder should be 50–80 mg major metabolites are eliminated in faeces per 50 mL once a week. Above this level, the risk of irreversible congestive cardiac failure increases greatly. No active metabolites ● Antifungals: concentration increased by of eplerenone have been identiﬁed in human itraconazole and ketoconazole – avoid plasma. Less than 5% of an eplerenone dose concomitant use; concentration increased is recovered as unchanged drug in the urine by ﬂuconazole – reduce eplerenone dose. Following a single oral dose of ● Antihypertensives: enhanced hypotensive radiolabelled drug, approximately 32% of eﬀect, increased risk of ﬁrst dose the dose was excreted in the faeces and hypotensive eﬀect with post-synaptic approximately 67% was excreted in the urine. Elimination ● Anaemia associated with renal impairment of desialylated drug by the kidneys, bone in pre-dialysis and dialysis patients, and in marrow, and spleen also may occur; results patients receiving cancer chemotherapy of animal studies suggest that proximal renal ● Increased yield of autologous blood tubular secretion may be involved in renal elimination. Desialylation and/or patient unresponsive to the therapeutic removal of the oligosaccharide side chains of eﬀects of all epoetins and darbepoetin. Resulting antibodies render the production of red blood cell precursors in patient unresponsive to the therapeutic the bone marrow, resulting in profound eﬀects of all epoetins and darbepoetin. On intravenous infusion epoprostenol is ● Infusion rate may be calculated by the hydrolysed rapidly to the more stable but following formula: much less active 6-keto-prostaglandin Dose rate (mL/hr) = F1α (6-oxo-prostaglandin F1α). A second Dosage (ng/kg/min) × body wt (kg) × 60 metabolite, 6,15-diketo-13,14-dihydro- Concentration of infusion (ng/mL) prostaglandin F1α, is formed by enzymatic (usually 10 000 ng/mL) degradation. Reduce least 16 metabolites were found, 10 of which dose if patient becomes hypotensive. Cardiovascular eﬀects cease 30 minutes Unlike many other prostaglandins, after stopping the infusion. In the urine, approximately 20% ● Lithium: reduced excretion, possibility of of the radioactivity excreted was an acyl enhanced lithium toxicity. Eprosartan is eliminated by both biliary ● Tacrolimus: increased risk of and renal excretion. Reduce infusion to 1 mcg/kg/minute and use with caution due to limited experience. Reduce infusion to 1 mcg/kg/minute and use with caution due to limited experience. Te transport protein involved creatinine clearance ≥ 40 to 59 mL/min, in the excretion is presently unknown. However, it is unknown patients with creatinine clearance <40 mL/ whether Pgp is contributing to the biliary min was increased by 75%, n=4. Use within 4 hours of removal and approximately 37% as the ring-opened from refrigerator. Dose as in ● Atomoxetine: increased risk of ventricular ﬂ u x normal renal function. Fluid Restricted Critically Ill Patients, 3rd ● Domperidone: possible increased risk of edition, 2006) ventricular arrhythmias. Statins: ● Tacrolimus: markedly elevated tacrolimus interactions and updated advice. Monitor blood levels of tacrolimus carefully and adjust dose promptly as necessary. Alternatively, wort; possibly enhanced serotonergic the nitrogen may be oxidised to form the eﬀects with duloxetine; can increase N-oxide metabolite. Both parent substance concentration of tricyclics; increased and metabolites are partly excreted as agitation and nausea with tryptophan. After multiple dosing the ● Anti-epileptics: convulsive threshold mean concentrations of the demethyl and lowered. Te major metabolites ● Antivirals: concentration possibly have a signiﬁcantly longer half-life than the increased by ritonavir. Eslicarbazepine acetate is rapidly and ● Oestrogens & progestogens: reduced extensively biotransformed to its major contraceptive eﬀect. Tis occurs through severe hypotension and heart failure with hydrolysis of the ester group by esterases in verapamil – avoid concomitant verapamil the red blood cells. Pharmacokinetics of estramustine liver, releasing estradiol, estrone, and phosphate (Estracyt) in prostatic cancer the normustine group. About 20% of the dose ● Daily dosing is preferred by some is excreted unchanged in the faeces. Oral: Dose as in normal to result in equivalent total dose exposure renal function. Pharmacokinetic Drug Prescribing in Renal Failure, 5th evaluation of increased dosages of edition, by Aronoﬀ et al. Cox-2 inhibitor and analgesic 10–20 Dose as in normal renal function, but avoid if possible. Five metabolites ketorolac, increased risk of side eﬀects and have been identiﬁed in man. Less than 2% was recovered haematological toxicity with zidovudine; as unchanged drug. Volume of distribution No data ● Clopidogrel: possibly reduced antiplatelet (L/kg) eﬀect. Everolimus is metabolised in the liver and ● St John’s wort: decreases everolimus levels. Metabolites are excreted in the urine ● In patients with severe renal impairment (39–45%) and faeces (36–48%). Avoid in patients with pre- kidneys by glomerular ﬁltration followed by existing renal impairment. Ezetimibe is rapidly absorbed and extensively ● Fibrates: avoid concomitant conjugated to a pharmacologically administration. About 49% of a dose is excreted via ● A study found that although exposure the urine, and 45% via the faeces (12% as to febuxostat and its metabolites unchanged drug).
Pelvic examination Pregnancy should not be performed to avoid dislodging any clot A small amount of bleeding can occur at implantation generic 30pills rumalaya forte amex spasms on left side of chest. The blastocyst burrows into the endometrium and in- vades the maternal blood supply; the formation and Placenta Abruptio implantation of the placenta follow 30pills rumalaya forte fast delivery spasms just before sleep. If bleeding occurs Placenta abruptio can occur any time after 20 weeks of from implantation order rumalaya forte 30 pills online spasms cure, it happens about 1 week before the gestation purchase rumalaya forte 30 pills without a prescription muscle relaxant for alcoholism. Regard women of childbear- wall, the patient experiences dark red, painful bleeding. On physical examination, vaginal bleeding is apparent, Spontaneous Abortion and the uterus may be tender and demonstrate increased A spontaneous abortion (or miscarriage) is the natural tone. Vaginal termination of a pregnancy before fetal viability (be- examination is not performed until placenta previa is fore 20 weeks). It is a complete spon- taneous abortion if the fetus and the placenta are Ectopic Pregnancy completely expelled and incomplete if partial tissue Ectopic pregnancy occurs in about 1 of 200 pregnan- remains within the uterus. Ectopic pregnancy is a leading cause of maternal present with persistent uterine cramping and bleeding death in the United States. The preg- mal pregnancy symptoms; therefore any pregnancy nancy test may remain positive for weeks after fetal accompanied by bleeding or pain must be considered death. The patient expe- Threatened Abortion riencing an ectopic pregnancy typically presents at Threatened abortion produces menstruation-like about 6 to 8 weeks of gestation. The menstrual pattern cramping and bleeding but the cervical os remains for these patients begins with a time of amenorrhea, Chapter 36 • Vaginal Bleeding 429 followed by abnormal bleeding. The uterus is sea, and vomiting), have passed some tissue (decidual 2 to 3 times its normal size, and there is often dysmen- cast), or have experienced fainting or dizziness. Adenomyosis often coexists Ninety percent of ectopic pregnancies are implanted with uterine fbroids. Uterine/Endometrial Cancer Endometrial cancer is now the most common female Leiomyomas (Myomas or Fibroids) genital cancer in the United States. These benign tumors are estrogen- Classic symptoms include painless vaginal bleeding dependent and may grow during hormone therapy. Late symptoms, such The most frequent symptom of leiomyomas is bleed- as weight loss and weakness, are those of systemic ing, which ranges from slightly heavier menstrual disease. Fibroids may occur as single or multiple tumors within the uterine layers or Systemic Causes of Vaginal Bleeding they can be pedunculated. Pain is not a common Anovulatory Cycles complaint of women with fbroids unless there has Perimenopause. The perimenopausal years occur been strangulation of a pedunculated fbroid, degen- from ages 40 to 50 and last about 7 to 10 years. The eration of a large fbroid, or compression of other perimenopausal woman experiences irregularities in organ systems. Often she has spotting, followed by 1 or 2 days of heavy bleeding, or she has her regular Adenomyosis menstrual fow and a few days of spotting at the end of Adenomyosis is a condition in which there are endo- the cycle. These types of irregular patterns are charac- metrial glands and stroma within the myometrium of teristic of a degenerating corpus luteum function. Patient history, physical examination, laboratory Transvaginal sonography was most useful in diagnosing ecto- values, and sonography were compared to a reference stan- pic pregnancy. The presence of an adnexal mass along with dard of either direct surgical confrmation of ectopic preg- the absence of an intrauterine pregnancy indicated a high nancy or clinical follow-up. The patient history and symptoms vaginal sonography to detect ectopic pregnancy was 88% were not helpful in diagnosing ectopic pregnancy. Nipple dis- who has missed the past three cycles can be clinically charge will be negative for red blood cells. Prolactin diagnosed as being in perimenopause (a synonymous levels will be elevated. With perimenarche, the patient has a history of beginning her menstrual cycles and then Vaginal Infection experiencing months of amenorrhea, followed by re- Atrophic vaginitis. In atrophic vaginitis, there is a dry sumption of regular cycles, caused by an immature (shiny), pale, thin vaginal wall caused by an insuffcient hypothalamic-pituitary-ovarian axis. During menopause, fow may be heavier, more frequent, or longer than the vaginal mucosa and vulva, which lack glycogen, normal. The young adolescent has appropriate second- become fragile and are susceptible to injury and infec- ary sexual characteristics and sexual maturity ratings. The patient may experience burning, dryness, ir- These symptoms are characteristic of anovulatory ritation, dyspareunia, or atrophic vaginitis. The pH is alkaline normally in the female newborn because of maternal and ranges from 6. Endometritis is an infection of the endometrium, in which chlamydia is the cause about Endocrinopathies 25% of the time. Endometritis should be suspected in a woman hyperthyroidism are associated with abnormal men- with these symptoms, especially if she has undergone strual bleeding. Menorrhagia can occur with hypothy- an emergency cesarean section or an intrauterine ma- roidism, whereas oligomenorrhea or scant menses may nipulative procedure. On physical examination, you may monly caused by Chlamydia trachomatis or Neisseria note dry skin, coarse hair, and galactorrhea. On physical examination, the skin may be moist begins intravaginally in most cases and then spreads and sweaty, the hair thin, and the pulse rate rapid. Patients may have a purulent level will be low, with high triiodothyronine (T ) and3 discharge that originates from the endocervical colum- thyroxine (T ) levels. Prolactin inhibits gonadotro- often experience infammation of Skene glands, Bar- pin release and causes anovulatory cycles that may be tholin glands, or the urethra, which causes pain and associated with irregular and sometimes heavy bleed- dysuria. On examination, there is abdominal, cervical ing or with amenorrhea (see Chapter 5). As with peritonitis, Chapter 36 • Vaginal Bleeding 431 patients may also have guarding and rebound tender- Blood Dyscrasias ness. The patient has a prolonged bleeding minata) are caused by the human papillomavirus and time. Condylomata can be fat or raised verrucous chief concerns of the woman presenting with leukemia. The patient usually notices a bump on the Other symptoms may include fatigue, bruising, and genital region accompanied by itching and leukor- lymph node enlargement. A wet mount should be performed to rule out will direct the workup for this diagnosis. Refer to a derma- Other tologist or gynecologist for treatment of warts of the Medications. Tamoxifen, which acts as an younger than 12 months do not have the coordination antiestrogen on breast tissue, has estrogenic effects on to insert anything into their vagina; suspect child abuse the endometrium and can cause endometrial hyperpla- in those cases and inspect for bruising or excoriations. Mahoney S, Parker C, Potlog-Nahari C, et al: Abnormal uterine Casablanca Y: Management of dysfunctional uterine bleeding, bleeding: A primary care primer, Consultant 46:225, 2006. Postmenopausal women often have Characteristics of Discharge discharge related to atrophic vaginitis, caused by the Copious amounts of greenish, offensive-smelling defciency of estrogen in the vaginal tissues. Mu- Vulvar itching, burning, and a foul odor often copurulent or purulent discharges are associated with accompany vaginal discharge. A moderate amount of pinworms, and genital warts (condylomata acumi- white, curdlike discharge is consistent with candida nata) can all cause itching.
- Do you have double vision?
- Transvaginal ultrasound
- Sounds (grunts, throat clearing, contractions of the abdomen or diaphragm)
- There is foul-smelling discharge from any wound on your body
- Difficulty starting to urinate or emptying the bladder
- Your doctor hears an abnormal sound called a bruit over the carotid neck arteries. This may mean the artery is narrowed.
- Heart transplant and valve problems
Mechanical circulatory support (see also Chapter 29) or extracorporeal membrane oxygenation may allow a bridge to transplantation or recovery in patients with cardiogenic shock despite optimal medical care discount 30 pills rumalaya forte otc muscle relaxant used by anesthesiologist. In those patients who recover rumalaya forte 30 pills amex spasms in back, the time to recovery in acute myocarditis varies cheap rumalaya forte 30 pills mastercard muscle relaxant esophageal spasm, ranging from a few weeks to a few months purchase rumalaya forte 30 pills with visa muscle relaxant 750 mg. Transplantation also is an effective therapy for patients with myocarditis who have refractory heart failure despite optimal medical therapy and mechanical circulatory support. Survival rates after transplantation for myocarditis are similar to survival rates for other causes of cardiac transplantation. However, the risk of graft loss may be greater in children who undergo transplantation. Future Perspectives One of the major gaps in the management of myocarditis is the lack of a sensitive and specific noninvasive test. In this regard, diagnostic techniques are evolving to identify novel blood-based biomarkers reflecting cardiac inflammation through microarray and proteomic analysis of tissues from 38 both laboratory models and patient samples. Moreover, with improved understanding of pathophysiologic mechanisms, new therapies also are being developed and evaluated in clinical trials. These new treatments, including cell-based therapies that selectively inhibit T cell responses, induce apoptosis of activated T cells, and increase Treg cells, will be evaluated in planned clinical trials. Such prospective investigations should be designed specifically to establish efficacy in women. Translational studies focused on genomic markers in biopsy samples and peripheral blood should help refine risk assessments and target therapies to the populations at highest need. Global, regional, and national incidence, prevalence, and years lived with disability for 310 diseases and injuries, 1990-2015: a systematic analysis for the Global Burden of Disease Study 2015. The global burden of myocarditis: part 1: a systematic literature review for the Global Burden of Diseases, Injuries, and Risk Factors 2010 study. Eligibility and Disqualification Recommendations for Competitive Athletes With Cardiovascular Abnormalities: Task Force 3: Hypertrophic Cardiomyopathy, Arrhythmogenic Right Ventricular Cardiomyopathy and Other Cardiomyopathies, and Myocarditis: A Scientific Statement From the American Heart Association and American College of Cardiology. Incidence and Etiology of Sudden Cardiac Arrest and Death in High School Athletes in the United States. Utility of immunofluorescence and electron microscopy in endomyocardial biopsies from patients with unexplained heart failure. Viral endomyocardial infection is an independent predictor and potentially treatable risk factor for graft loss and coronary vasculopathy in pediatric cardiac transplant recipients. A distinct subgroup of cardiomyopathy patients characterized by transcriptionally active cardiotropic erythrovirus and altered cardiac gene expression. Notes from the field: update on Lyme carditis, groups at high risk, and frequency of associated sudden cardiac death—United States. Current epidemiological trends for Chagas disease in Latin America and future challenges in epidemiology, surveillance and health policy. Chagas disease in Latin America: an epidemiological update based on 2010 estimates. A prospective study of the incidence of myocarditis/pericarditis and new onset cardiac symptoms following smallpox and influenza vaccination. Virus-induced Abl and Fyn kinase signals permit coxsackievirus entry through epithelial tight junctions. Cardiac deletion of the Coxsackievirus-adenovirus receptor abolishes Coxsackievirus B3 infection and prevents myocarditis in vivo. Inhibition of Coxsackievirus-associated dystrophin cleavage prevents cardiomyopathy. The tyrosine kinase p56lck is essential in coxsackievirus B3- mediated heart disease. Development of diastolic heart failure in a 6-year follow- up study in patients after acute myocarditis. Cardiac sarcoidosis and giant cell myocarditis as causes of atrioventricular block in young and middle-aged adults. Diagnosis, treatment, and outcome of giant-cell myocarditis in the era of combined immunosuppression. Autoimmunity against M2 muscarinic acetylcholine receptor induces myocarditis and leads to a dilated cardiomyopathy-like phenotype. Consequences of unlocking the cardiac myosin molecule in human myocarditis and cardiomyopathies. Circulating cardiac troponins levels and cardiac dysfunction in children with acute and fulminant viral myocarditis. Cardiac troponins and autoimmunity: their role in the pathogenesis of myocarditis and of heart failure. Cardiac troponin-I as a screening tool for myocarditis in children hospitalized for viral infection. Management and outcomes in pediatric patients presenting with acute fulminant myocarditis. Clinical implications of anti-heart autoantibodies in myocarditis and dilated cardiomyopathy. Prognostic electrocardiographic parameters in patients with suspected myocarditis. Long-term follow-up of biopsy-proven viral myocarditis: predictors of mortality and incomplete recovery. Comprehensive Cardiac Magnetic Resonance Imaging in Patients With Suspected Myocarditis: The MyoRacer-Trial. Cardiac positron emission tomography enhances prognostic assessments of patients with suspected cardiac sarcoidosis. Current state of knowledge on aetiology, diagnosis, management, and therapy of myocarditis: a position statement of the European Society of Cardiology Working Group on Myocardial and Pericardial Diseases. Complication rate of right ventricular endomyocardial biopsy via the femoral approach: a retrospective and prospective study analyzing 3048 diagnostic procedures over an 11-year period. Comparative evaluation of left and right ventricular endomyocardial biopsy: differences in complication rate and diagnostic performance. Contribution and risks of left ventricular endomyocardial biopsy in patients with cardiomyopathies: a retrospective study over a 28-year period. The role of endomyocardial biopsy in the management of cardiovascular disease: a scientific statement from the American Heart Association, the American College of Cardiology, and the European Society of Cardiology. Evaluation of the role of endomyocardial biopsy in 851 patients with unexplained heart failure from 2000-2009. Outcomes and predictors of recovery in acute-onset cardiomyopathy: A single-center experience of patients undergoing endomyocardial biopsy for new heart failure. Good prognosis for pericarditis with and without myocardial involvement: results from a multicenter, prospective cohort study. Ventricular remodeling and survival are more favorable for myocarditis than for idiopathic dilated cardiomyopathy in childhood: an outcomes study from the Pediatric Cardiomyopathy Registry. Competing risks for death and cardiac transplantation in children with dilated cardiomyopathy: results from the pediatric cardiomyopathy registry.
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