QUESTIONS AND SOLUTIONS COMPLETE
STUDY GUIDE
●● 40 to 60 BPM
Answer: how fast does the Atrioventricular (AV) node beat per min
●● 20 to 40 BPM
Answer: What is the intrinsic rate of the Purkinje Fibers?
●● 0.10 seconds
Answer: average length of the P wave
●● 0.12-.20 seconds
Answer: average time of the P-R interval
●● 0.06-0.12 seconds
Answer: normal QRS duration
●● ST segment
Answer: what represents the end of ventricular depolarization and the
beginning of ventricular repolarization?
,●● QRS complex
Answer: what part of the EKG represents ventricular depolarization
●● T wave
Answer: what part of the EKG represents the LATTER phase of
ventricular repolarization?
●● from the beginning of the upwards slope from the ST segment until
the line returns back to baseline
Answer: how is the T wave measured
●● SA node
Answer: what is the pacemaker of the heart
●● count number of LARGE squares in between two complexes and
divide into 300
Answer: how to calculate HR based on the "BAMC" study guide
●● 60-100 beats per minute
Answer: what is the normal rate of NSR?
, ●● regular rate AND rhythm, normal P waves and length, QRS less than
0.12
Answer: What are the clinical features of NSR
●● 100-150
Answer: what is the average rate of Sinus Tachycardia
●● regular rhythm, rate 100-150, regular P waves, QRS less than 0.12
Answer: what are the clinical features of Sinus Tachycardia
●● less than 60
Answer: what is the average rate of sinus bradycardia
●● regular rhythm, SLOW rate, regular P waves and QRS less than 0.12
Answer: what are the clinical features of sinus bradycardia
●● ONLY when symptomatic
Answer: when do you treat sinus Bradycardia
●● Atropine
Answer: What do you treat symptomatic bradycardia with