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Apical hypertrophic cardiomyopathy.
MedLine Citation:
PMID:  21860706     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We describe a patient with asymptomatic apical hypertrophic cardiomyopathy (AHCM) who later developed cardiac arrhythmias, and briefly discuss the diagnostic modalities, differential diagnosis and treatment option for this condition. AHCM is a rare form of hypertrophic cardiomyopathy which classically involves the apex of the left ventricle. AHCM can be an incidental finding, or patients may present with chest pain, palpitations, dyspnea, syncope, atrial fibrillation, myocardial infarction, embolic events, ventricular fibrillation and congestive heart failure. AHCM is frequently sporadic, but autosomal dominant inheritance has been reported in few families. The most frequent and classic electrocardiogram findings are giant negative T-waves in the precordial leads which are found in the majority of the patients followed by left ventricular (LV) hypertrophy. A transthoracic echocardiogram is the initial diagnostic tool in the evaluation of AHCM and shows hypertrophy of the LV apex. AHCM may mimic other conditions such as LV apical cardiac tumors, LV apical thrombus, isolated ventricular non-compaction, endomyocardial fibrosis and coronary artery disease. Other modalities, including left ventriculography, multislice spiral computed tomography, and cardiac magnetic resonance imagings are also valuable tools and are frequently used to differentiate AHCH from other conditions. Medications used to treat symptomatic patients with AHCM include verapamil, beta-blockers and antiarrhythmic agents such as amiodarone and procainamide. An implantable cardioverter defibrillator is recommended for high risk patients.
Authors:
Syed Wamique Yusuf; Jaya D Bathina; Jose Banchs; Elie N Mouhayar; Iyad N Daher
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  World journal of cardiology     Volume:  3     ISSN:  1949-8462     ISO Abbreviation:  World J Cardiol     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-08-23     Completed Date:  2011-11-10     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  101537090     Medline TA:  World J Cardiol     Country:  China    
Other Details:
Languages:  eng     Pagination:  256-9     Citation Subset:  -    
Affiliation:
Syed Wamique Yusuf, Jaya D Bathina, Jose Banchs, Elie N Mouhayar, Iyad N Daher, Department of Cardiology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, United States.
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