Explain the character of pulse, Biology

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Explain the Character of Pulse ?

A normal pulse wave has an upstroke and down stroke. Dicrotic notch present on direct arterial traces is impalpable.

1974_arterial-pulse-waveform-s.jpg

Figure: Arterial pulse

a) Large volume pulse (Hyperkinetic) indicates generally a high output state; physiologically post-exercise, pathologically, severe anaemia, fever, anxiety and restlessness.

b) Small volume pulse (Hypokinetic) is indicative of either low stroke volume (SV) due to LV dysfunction or obstruction to LV outflow tract due to aortic stenosis when the pulse rises slowly and volume is low. (Anacrotic Pulse).


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