نتایج جستجو برای: left ventricular

تعداد نتایج: 364211  

2005
YOSHIO ISHIDA

Peak rapid filling rate (PRFR) is often used clinically as an index of left ventricular relaxation, i.e., of early diastolic function. This study tests the hypothesis that early filling rate is a function of the atrioventricular pressure difference and hence is influenced by the left atrial pressure as well as by the rate of left ventricular relaxation. As indexes, we chose the left atrial pres...

Hedayati, Mohammadtaghi, Jalalian, Rozita, Saravi, Mehrdad,

Background: Dextrocardia is a congenital anomaly, which may have coexistent coronary artery disease (CAD), arrhythmias and conventional indications for device therapy. However, the implantation of transvenous leads can be technically challenging and the approach needs to be tailored to the patient's individual anatomy. Case presentation: A 54-year-old male with dextrocardia situs inversus and i...

LVAD is a mechanical pump supporting a weak heart function and blood flow. Sometimes, the heart may not recover fast enough to take over the pumping action immediately after surgery, in such patients a temporary support device has been employed to maintain the pumping action until the patient’s own heart recovers. This device can be considered as a temporary alternative before the process of ar...

Journal: :international journal of pediatrics 0
noor mohammad noori research center for children and adolescent’s health, zahedan university of medical sciences and health services, zahedan, iran alireza teimouri children and adolescent health research center, zahedan university of medical sciences nahid anvari faculty of medicine, zahedan university of medical sciences, zahedan, iran

background heart failure is a major cause of death in thalassemia. the study aimed to determine the diagnostic value of n terminal pro b type natriuretic peptide (nt-pro bnp), to early diagnose the cardiac involvement in beta- thalassemia major patients. materials and methods  80 thalassemia patients aged 7 to 18 years old (patients group), and 80 healthy age and gender matched controls were en...

Journal: :مجله دانشگاه علوم پزشکی شهید صدوقی یزد 0
محسن تقوی شوازی m taghavi - shavazi . [email protected] مهدی لطیف m latif نصرالله بشردوست n bashardoost

introduction: chest x–ray is one of the most common method of imaging. cardio thoracic ratio ( ctr ) is one of the parameters of chest x–ray that is used for determining cardiac enlargement. echocardiography as compared to chest x–ray is expensive and all centers dont have it, but it can determine heart size, valvular diseases, ejection fraction, left ventricular hypertrophy (lvh), pericardial ...

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