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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.[ncbi.nlm.nih.gov] Clinical presentation Palpitations occurred in six patients, cardiac arrest in three, and syncope in one as the first symptom of the disease.[doi.org] 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[ncbi.nlm.nih.gov]

  • Cardiomyopathy

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

  • 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.[ncbi.nlm.nih.gov] A 22-year-old lactating mother presented with symptoms of uneasiness, palpitation, tachycardia and exophthalmos.[ncbi.nlm.nih.gov] Clinical Considerations Patient Population Under Consideration This recommendation applies to nonpregnant, asymptomatic adults.[doi.org]

  • Hypothyroidism

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

  • Brugada Syndrome

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

  • Mitral Valve Prolapse

    This may represent two stages in disease development, variable expression, or perhaps genetic heterogeneity.[ncbi.nlm.nih.gov] HOME ARTICLES ARTICLE Latest Update: Palpitations? Pounding? Panic Attacks? You Might Have Mitral Valve Prolapse![thyroid-info.com] 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[circ.ahajournals.org]

  • Multiple Endocrine Neoplasia

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

  • Familial Isolated Dilated Cardiomyopathy

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

  • Aortic Valve Disorder

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

  • 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[enotes.tripod.com] This possibly explains why a large proportion of patients with CHD remain asymptomatic during the course of the disease.[ecancer.org] […] carcinoid syndrome the systemic effects of serotonin-secreting carcinoid tumors, which include flushing, diarrhea, cramps, skin lesions resembling pellagra, labored breathing, palpitations[medical-dictionary.thefreedictionary.com]

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