ekg operations

an arrhymia in the ventricle characterized by a very fast heart beat

• arteries

• arteriosclerosis

• ventricular tachycardia

• ventricular fibrillation

When the monitor shows a straight line, you should begin troubleshooting by checking which of the following?

• attachment of the lead wire

• on-off switch

• lead selector

• all of the above

the "natural" pacemaker of the heart. The node is a group of specialized cells in the top of the right atrium which produces the electrical impulses that travel down to eventually reach the ventricular muscle, causing the heart to contract

• lipoprotein

• pancreas

• Sinus (SA) node

• Alveoli

A small wave sometimes appearing between the T wave and P wave is which of the following?

• U wave

• V wave

• W wave

• M wave

blueness of the skin cause by insufficient oxygen in the blood

• endocardium

• homocysteine

• ischemia

• cyanosis

Which of the patient's limbs are the ground lead?

• right leg

• left leg

• right arm

• left arm

one complete heart beat, combining the contraction and relaxation phase is know as which of the following?

• Base Lien cycle

• ECC cycle

• electrode cycle

• cardiac rhythm

Poor electrode contact can cause which of the following?

• wandering baseline

• intermittent loss of signal

• false low rate alarms

• all of the above

The U wave can be defined as which of the following?

• is sometimes seen, but not often

• it can mean an electrolyte problem (K decrease)

• It may be normal for that patient

• all of the above are true of the U wave

Which of the following leads are recorded from the 6 chest electrodes?

• lead 1, lead2, lead 3

• AVR, AVL, AVF

• leads V1-V6

• both A and B