ADVENT HEALTH EKG FINAL PAPER FULL QUESTIONS AND CORRECT ANSWERS EXPERT REVIEW STUDY SHEET

ADVENT HEALTH EKG FINAL PAPER FULL
QUESTIONS AND CORRECT ANSWERS
EXPERT REVIEW STUDY SHEET

●● What can an EKG detect?
Answer: cardiac arrhythmia or dysrhythmia, ischemia, electrolyte
imbalance, effects of cardiac medications, damage caused by an MI


●● Define arrhythmia
Answer: abnormal cardiac rhythm (think a= without, without rhythm)


●● Define ischemia
Answer: lack of blood supply


●● What is the electrical pathway of the heart's conduction system?
Answer: SA node->AV node->Bundle of His->Right and Left Bundle
Branches->Purkinje fibers


●● When the SA node is stimulated, what mechanical action happens in
the heart?
Answer: Atria contract

, ●● What has to happen for the ventricles to contract?
Answer: Electrical conduction has to pass through the AV node, down
the Bundle of His, through the right and left bundle branches, into the
purkinje fibers. Once they reach the Purkinje fibers, then the ventricles
will contract.


●● Electrodes
Answer: sticky skin sensors that attach to the patient


●● What is the purpose of the gel on the electrodes?
Answer: to read the heart's electricity and to amplify the waveforms


●● EKG machine is also called an:
Answer: electrocardiograph


●● Name the 2 types of EKG machines:
Answer: Single channel and multichannel


●● When we do an EKG we are looking at the heart from :
Answer: 12 different points of view or angles


●● How many electrodes are used to perform an EKG?
Answer: 10