CSCT EXAM STUDY SET UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

CSCT EXAM STUDY SET UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS

Question:
What is the normal PR interval range?
Answer:
0.12 - 0.20 seconds

Question:
What is the normal QRS range?
Answer:
0.08 - 0.12 seconds

Question:
What is the name of the formula for the corrected QT interval?
Answer:
Bazett's formula: QT interval / square root of the R-R interval multiplied by 450 ms of the upper limit of
normal

Question:
List the ECG criteria for LVH
Answer:
R or S in limb leads ≥ 20mm S in V1 or V2 ≥ 30 mm R in V5 or V6 ≥ 30 mm
Left atrial enlargement in V1
Left axis deviation (-30° to -90°)

Question:
What is considered within the range of the normal axis?
Answer:
-30° to +90°

Question:
What is the range of the normal ejection fraction?
Answer:
55% - 75%

Question:
During ETT, how far past the J point is the ST segment measured?
Answer:
80 msec

Question:
During ETT, a drop of blood pressure greater then _______ is considered an absolute indication to
terminate the test.