A cardiologist asks for measurement of electromechanical systole(QS2)and left ventricular ejection time(LVET),and pre-ejection period(PEP).The cardiologist is informed by the technician that the carotid transducer is not functioning.Which of the

A cardiologist asks for measurement of electromechanical systole(QS2)a

1.	A cardiologist asks for measurement of electromechanical systole(QS2)and left ventricular ejection time(LVET),and pre-ejection period(PEP).The cardiologist is informed by the technician that the carotid transducer is not functioning.Which of the
A.	QS2
B.	QS2and LVET
C.	QS2and PEP
D.	LVET and PEP
Answer» E.