State of the heart when it is not pumping blood effectively to meet needs of body is called as:

1. Heart attack 2. Heart block
3. Cardiac arrest 4. Heart failure
Subtopic:  ECG & Coronary Artery Disease |
 85%
From NCERT

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Tissue death (necrosis) due to inadequate blood supply to the affected area, such as the heart, is:

1. coronary thrombosis 2. angina pectoris
3. ischemia 4. infarction
Subtopic:  ECG & Coronary Artery Disease |

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