Stedman's Medical Dictionary
C wave
- a monophasic positive deflection in the electroretinogram arising in the pigment epithelium of the retina.
- wave in the venous and atrial pulses occurring during isovolumic ventricular contraction in which the closed atrioventricular valves (mitral and tricuspid) are abruptly displaced into the atria with creation of a pressure transient.
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