Question

Define tachycardia and bradycardia.

Answer 1

tachycardia:a rapid heartbeat that may be regular or irregular but out of proportion. if activity bradycardia:slower than expected heartbeat

Answer 2

Answer for Class 11 CBSE

Tachycardia:

 The heart rate increases.

 Number of QRS complexes per unit time increases.

 Time interval between QRS complexes decreases.

Bradycardia:

 The heart rate decreases.

 Number of QRS complexes per unit time decreases.

 Time interval between QRS complexes increases.

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