Description : What do you mean by Electro cardiograph?
Last Answer : Electrocardiograph is recording of heart's electrical activity over a period of time.The graph shows the rate and rythm.This one is primary clinical tool to perform electrical and mechanical function of heart.
Description : What is echo Cardiograph?
Last Answer : Echo cardiograph is a technique which uses ultrasound to examine the heart.
Description : Seismic waves during earthquake are recorded and studied with the help of an instrument called as (a) Richter scale (b) Seismograph (c) Lithograph (d) Cardiograph
Last Answer : (b) Seismograph