ECG and Rhythm Interpretation Part II: Blocks, Axis, and Hypertrophy Answered 100% Correctly 50 Q and A's | Latest UPDATE 2025.

ECG and Rhythm Interpretation Part II: Blocks, Axis, and
Hypertrophy Answered 100% Correctly 50 Q and A's | Latest
UPDATE 2025.




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, Evaluating the ECG




• What are the seven steps in evaluating an ECG?
1. Rate
2. Rhythm
3. Blocks
4. Axis
5. Hypertrophy
6. Myocardial damage
7. Special issues




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, Heart Blocks


• What are common heart blocks?

– Blockage of electrical conduction which prevents the
passage of electrical stimuli

• Sinus: occur in SA node

• AV: occur in AV node

• Bundle branch: occur in the bundle of His into
Bundle Branches
• Hemiblock: occur in the anterior or posterior
division of the left bundle branch




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, Sinus Blocks

• What happens with a sinus node block?

– SA nodes stops pacing for at least one cycle

– After the pause, heart resumes pacing at same rate

– An escape beat from an ectopic foci may occur


P waves with blocked
QRS’s




Contributed by
www.cardiologyreviewonline.com



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