[Precordial beat in heart insufficiency with pulse alternans and in extrasystoles].
D005117:Cardiac Complexes, Premature / Q000175:diagnosis*; D004562:Electrocardiography; D006326:Heart Auscultation; D006333:Heart Failure / Q000175:diagnosis*; D006801:Humans; D007702:Kinetocardiography; D011674:Pulse
Latido precordial en insuficiencia cardiaca con alternancia y en extrasistoles.