MEDCA EKG Test Questions with Correct Answers
What is the standard speed of an EKG? - Answer-25mm/mV
Congestive heart failure - Answer-heart is unable to pump its required amount of blood
Coronary heart disease - Answer-the clogging of the vessels that nourish the heart muscle; the leading...
MEDCA EKG Test Questions
with Correct Answers
What is the standard speed of an EKG? - Answer-25mm/mV
Congestive heart failure - Answer-heart is unable to pump its required amount of blood
Coronary heart disease - Answer-the clogging of the vessels that nourish the heart
muscle; the leading cause of death in many developed countries
Heart Attack - Answer-myocardial infraction, condition where blood flow is blocked for
enough time to cause damage
Heart murmur - Answer-caused by turbulent blood flow
what leads look at the right side of the heart? - Answer-aVR
What leads are electrically equidistant from the hearts electrical activity? - Answer-leads
1,2,3
Where is aVF placed? - Answer-left foot or lower abdomen
Where is aVR placed? - Answer-right wrist or shoulder
Where is aVL placed? - Answer-left wrist or shoulder
Where is lead 1 placed? - Answer-positive electrode on left arm, negative electrode on
r-arm, records difference between R and L arms
Where is lead 2 placed? - Answer-positive electrode on left leg, negative electrode on
right arm, records difference between r-arm and L-leg
Where is lead 3 placed? - Answer-positive electrode on L-leg and negative electrode on
R-arm
which one is the reference? - Answer-right leg electrode
where is V1? - Answer-right of sternum, 4th intercostal space
where is V2? - Answer-L- of sternum, 4th intercpstal space
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