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Body Fluids and Circulations
Question
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Which of the following is correctly matched?

  • Enlarged P-wave - Acute myocardial infarction

  • QRS wave flat - Atherosclerotic heart disease

  • Enlarged Q and A - wave-Myocardial infarction

  • Elevated S-T - Enlargement of atria

Answer

C.

Enlarged Q and A - wave-Myocardial infarction

Electrocardiography is the process of producing an electrocardiogram (ECG). It records the electrical activity of heart. It detects tiny electrical signals that make heart pump blood around the body.

Enlarged Q and R waves indicates a myocardial infarction. The S-T segment is elevated in acute myocardial infarction and depressed when the heart muscle receives insufficient oxygen. Enlargement of the P-wave indicates enlargement of the atria. T-wave is flat when the heart muscles receive insufficient oxygen is in atherosclerotic heart disease.

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