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The heart is a muscular organ found in humans and other animals.This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2]
The New York Heart Association (NYHA) Functional Classification provides a simple way of classifying the extent of heart failure.It places patients in one of four categories based on how much they are limited during physical activity; the limitations/symptoms are in regard to normal breathing and varying degrees in shortness of breath and/or angina.
The first heart sound, or S 1, forms the "lub" of "lub-dub" and is composed of components M 1 (mitral valve closure) and T 1 (tricuspid valve closure). Normally M 1 precedes T 1 slightly.
The cycle diagram depicts one heartbeat of the continuously repeating cardiac cycle, namely: ventricular diastole followed by ventricular systole, etc.—while coordinating with atrial systole followed by atrial diastole, etc.
Arthur Agatston (born January 22, 1947) is an American cardiologist and celebrity doctor best known as the developer of the South Beach Diet, but also as the author of many published scholarly papers in the field of noninvasive cardiac diagnostics.
Heart during ventricular diastole. In cardiac physiology, preload is the amount of sarcomere stretch experienced by cardiac muscle cells, called cardiomyocytes, at the end of ventricular filling during diastole. [1]
Institut Jantung Negara Sdn Bhd (also known as National Heart Institute; abbreviation IJN), is a heart surgery centre in Jalan Tun Razak, Kuala Lumpur, Malaysia. IJN was founded in 1992 under Prime Minister Mahathir Mohamad tenure.
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