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54 Possible Causes for Palpitations, patients possibly clinically asymptomatic, Variable Expressivity

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  • Arrhythmogenic Right Ventricular Dysplasia

    The disease is inherited as an autosomal dominant trait with incomplete penetrance and variable expressivity.[] Clinical presentation Palpitations occurred in six patients, cardiac arrest in three, and syncope in one as the first symptom of the disease.[] The patient was asymptomatic and the clinical relevance of this finding would be raised in case a possible differential diagnosis of right heart overload should be necessary[]

  • Cardiomyopathy

    The disorder is thought to be inherited in an autosomal dominant fashion with variable penetrance and variable expressivity.[] Symptoms include palpitations and fainting after physical activity.[] […] findings Very variable, many patients remain asymptomatic Exercise-induced ventricular arrhythmias palpitations , syncope , possibly sudden cardiac death Atypical chest pain[]

  • Hyperthyroidism

    The more variable expression of LATs in distinct thyroid malignancies may be linked with other transporter properties relevant to altered metabolism in cancer cells, i.e.[] A 22-year-old lactating mother presented with symptoms of uneasiness, palpitation, tachycardia and exophthalmos.[] Clinical Considerations Patient Population Under Consideration This recommendation applies to nonpregnant, asymptomatic adults.[]

  • Hypothyroidism

    Due to the rarity of the syndrome, the treatment strategies described are quite variable.[] A 33 year-old, 8-week pregnant woman with hypothyroidism, presents with a 2-week history of palpitations, sweating, nervousness and fatigue.[] Clinical Considerations Patient Population Under Consideration This recommendation applies to nonpregnant, asymptomatic adults.[]

  • Brugada Syndrome

    Seven relatives also carry the mutation and showed a Brugada syndrome with an incomplete and variable expression.[] CONCLUSION: Drug-induced BS has a good prognosis if asymptomatic; however, SCD is possible.[] Three patients (27%) reported palpitations documented by ILRs as supra-ventricular tachycardias.[]

  • Mitral Valve Prolapse

    This may represent two stages in disease development, variable expression, or perhaps genetic heterogeneity.[] HOME ARTICLES ARTICLE Latest Update: Palpitations? Pounding? Panic Attacks? You Might Have Mitral Valve Prolapse![] patients in experienced surgical centers. 2 Editorial p 768 Clinical Perspective p 804 Comprehensive echocardiographic evaluation of MR has made it possible to diagnose the[]

  • Multiple Endocrine Neoplasia

    It is inherited as an autosomal dominant trait with complete penetrance and variable expressivity, Bibliography A. S. Eisenberg, H.[] She complained of dizziness, occasional palpitation, weakness, hunger, sweating, and generalized tonic-clonic seizure that lasted for 5 minutes early in the morning.[] Currently, DNA testing makes possible the early detection of asymptomatic gene carriers, allowing to identify and treat the neoplastic lesions at an earlier stage.[]

  • Familial Isolated Dilated Cardiomyopathy

    Variable expressivity.[] A 37-year-old male patient presented with history of palpitation of 15 days duration followed by oliguria.[] The most common presentation was shortness of breath (58%), followed by palpitation (17%).[]

  • Aortic Valve Disorder

    Continuous variables are expressed as mean SD. Results No patients were excluded from the analysis due to poor image quality.[] The symptoms may only be prevalent or become exacerbated during strenuous activity and include chest pain, palpitations, dizziness, shortness of breath, and abnormal heart[] Clinical Features Symptoms Aortic valve stenosis (AVS) is a slowly progressive disease, and not all affected patients report symptoms.[]

  • Malignant Carcinoid Syndrome

    SUMMARY — Seventy-five to eighty percent of patients with the carcinoid syndrome have small bowel carcinoids; however, the expression is variable in individual patients [3[] This possibly explains why a large proportion of patients with CHD remain asymptomatic during the course of the disease.[] […] carcinoid syndrome the systemic effects of serotonin-secreting carcinoid tumors, which include flushing, diarrhea, cramps, skin lesions resembling pellagra, labored breathing, palpitations[]

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