Heart Attack OR Cardiac Arrest OR Heart Failure | CBSE Class 7 | Science by Arisha Mam #shorts

Cardiac Cycle || Heart Sounds || ECG

What is heart attack ?

Go through the following statements, (i) The stroke volume multiplied by heart rate gives the cardiac output. (ii) The second heart sound is associated with the closure of semilunar valves (iii) Heart failure is the same as cardiac arrest or a heart attack. Which of these are correct ?

Heart Rate || Cardiac Output || Pulse And Pulse Rate || Cardiac Cycle

Heart failure (i) Same as heart attack (ii) Heart is not pumping blood effectively enough to meet the needs of the body. (iii) It is often referred to as Atherosclerosis. (iv) It is sometimes called congestive heart failure. (v) It occurs due to conditions that affect the blood flow. (vi) The heart stops beating. Incorrect statements are :

Double Circulation|Myogenic Heart|Heart|Cardiac Cycle|Heart Beat And Heart Rate|Electrocardiograph (ECG)|Regulation|Disorders

The cardiac impules hat results into the heart beat is delayed at :-