EKG Test for Houston Methodist Exam
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
SA Node Rate - CORRECT ANSWER 60-100
AV junction Rate - CORRECT ANSWER 40-60
Purkinje Fiber Rate - CORRECT ANSWER 20-40
Small sqares on EKG paper is how many seconds - CORRECT ANSWER 0.04 seconds
Large squares on EKG paper is how many seconds - CORRECT ANSWER 0.20
Normal P wave duration - CORRECT ANSWER <0.11 seconds (less than three small squares)
Normal QRS duration - CORRECT ANSWER <0.12 seconds
Normal PR Interval duration - CORRECT ANSWER 0.12-0.2
Ventricular Bigeminy - CORRECT ANSWER PVC every other beat
Due to low magnesium or potassium or MI
Ventricular Trigeminy - CORRECT ANSWER Every third beat is a PVC
Due to low magnesium or potassium or MI
SVT - CORRECT ANSWER 150-250 bpm
causes: stimulants, med toxicity, hyperthyroidism
Interventions: vagal, cardiovert, CCB, BB
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
SA Node Rate - CORRECT ANSWER 60-100
AV junction Rate - CORRECT ANSWER 40-60
Purkinje Fiber Rate - CORRECT ANSWER 20-40
Small sqares on EKG paper is how many seconds - CORRECT ANSWER 0.04 seconds
Large squares on EKG paper is how many seconds - CORRECT ANSWER 0.20
Normal P wave duration - CORRECT ANSWER <0.11 seconds (less than three small squares)
Normal QRS duration - CORRECT ANSWER <0.12 seconds
Normal PR Interval duration - CORRECT ANSWER 0.12-0.2
Ventricular Bigeminy - CORRECT ANSWER PVC every other beat
Due to low magnesium or potassium or MI
Ventricular Trigeminy - CORRECT ANSWER Every third beat is a PVC
Due to low magnesium or potassium or MI
SVT - CORRECT ANSWER 150-250 bpm
causes: stimulants, med toxicity, hyperthyroidism
Interventions: vagal, cardiovert, CCB, BB
