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Pharmacology Cardiovascular system 51918895

Vagal stimulation of hea causes? (irrelevant to pharmacology)

A
Increased hea rate
B
Increased RR interval in ECG
C
Increased cardiac output
D
Increased force of contraction
High-Yield Explanation
Increased RR interval is seen in ECG on vagal stimulation. Normal values for waves and intervals are as follows: RR interval: 0.6-1.2 seconds. P wave: 80 milliseconds. ... QT interval: 420 milliseconds or less if the hea rate is 60 beats per minute (bpm) Ref: KD Tripathi 8th ed.

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