الفهرس 
? Etiology of Heart failure and PathophysiologyOnly 14 pages are availabe for public view
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Abstract
NYHA classification. Each patient performed a 6MWT and complete a forum of MLHFQ, offered an ECG gated echocardiographic study for assessment of systolic and diastolic functions of right & left ventricles.
Calculated MCF from the HF patients was compared with that obtained from 30 healthy subjects (group A).
The goal of the study was to determine the correlation between myocardial contraction fractions (MCF), and functional status assessed by 6MWD & quality of life assessed by MLHFQ in HF patients NYHA class I – III.