CCT_ACTUAL_EXAM_2026_EXAM_QUESTIONS_AND_SOLUTIONS_FULL_SOLUTION.pdf

CCT ACTUAL EXAM 2026 EXAM
QUESTIONS AND SOLUTIONS FULL
SOLUTION VIEW AHEAD

◉ Failure of a cardiac PM on ECG
Answer: - QRS is absent & p wave may/may not be absent
- small pacer spikes may still be seen


◉ Recognizing AV dissociation on ECG
Answer: - QRS complex will be normal
- no p wave present possibly
- normal p wave possible but PR will vary in length


◉ Myocardial Injury as seen on ECG
Answer: - elevated ST segment
- may be seen in any lead


◉ ST segments on ECG
Answer: - ventricle is completely depolarized, then is the start of
repolarization
- corresponds to the plateau phase of the action potential

, - normal elevation in leads V1, V2, V3
- elevation that is straight upwards suggests myocardial infarction
- depression is always abnormal


◉ T wave
Answer: - represents ventricular repolarization, or recovery period
- final wave of cardiac cycle
- upright in leads I, II , V3-V6
- inverted in aVR
- peaked = hyperkalemia or myocardial injury
- inverted = cerebral or cardiac disease, conduction block, or
ventricular hypertrophy
- may be followed by a "u" wave


◉ Electrical Conduction System
Answer: - generates and propagates the electrical impulses that
sustain the rhythmic contraction of the heart
- sinoatrial and atrioventricular nodes
- internodal pathways
- Bundle of His
-Rt & Lt bundle branches
- anterior & posterior fascicles