Echocardiography
Echocardiography
is the technique of using ultrasound waves to investigate and display the action
of the heart as it beats. The waves are reflected to different degrees by
different structures within the heart. The visual recording is called an
echocardiogram.
The
human heart
is a precision engine. With proper
maintenance, it will beat for an average of 76 years (4000 times an hour,
100,000 times a day, more than 2.7 billion times in the course of life. It costs
of four chambers: two ventricles and two atria . Some big vessels departure from
heart:: the aorta arises from left ventricle and spreads oxygenated blood to the
body.
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