Dysrhythmia Test with Questions and Answers

Dysrhythmia Test with Questions and Answers What is the flow of conduction in the heart? ANSWER SA Node --> AV Node --> Bundle of His --> Purkinje fibers Identify the parts of the conduction system ANSWER Left side: SA node, AV node, Right bundle branch Right side: Bundle of His, Left bundle branch, Left anterior division, Left posterior division In which AV block should we use Atropine with caution? ANSWER 2nd degree TYPE 2 What is the special quality of the heart in relation to other muscles in the body? ANSWER The heart generates its own electrical impulses What is the normal HR when the SINUS node is in charge of heart conduction? ANSWER 60-100 bpm What is the normal HR when the AV node is in charge of heart conduction? ANSWER 40-60 bpm What is the normal HR when the Purkinje Fibers is in charge of heart conduction? ANSWER 20-40 bpm What does the P-wave represent? ANSWER Atrial depolarization