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  Indian J Med Microbiol
 

Figure 8: Jugular venous pulse waves in (a) mild infundibular pulmonary stenosis. (b) Severe infundibular pulmonary stenosis. (c) Severe infundibular pulmonary stenosis with tricuspid regurgitation. A = Atrial contraction, x = Atrial relaxation, c = Closure of tricuspid valve, x' = Right ventricular contraction, v = Right atrial filling, y = Opening of tricuspid valve and emptying of the right atrium

Figure 8: Jugular venous pulse waves in (a) mild infundibular pulmonary stenosis. (b) Severe infundibular pulmonary stenosis. (c) Severe infundibular pulmonary stenosis with tricuspid regurgitation. A = Atrial contraction, x = Atrial relaxation, c = Closure of tricuspid valve, x' = Right ventricular contraction, v = Right atrial filling, y = Opening of tricuspid valve and emptying of the right atrium