Question

identify this rhythm

sinus rhythm with 1st degree heart block
2nd degree type i heart block
sinus arrhythmia
2nd degree type ii heart block
3rd degree heart block

Explanation:

Analyze the PR intervals and QRS complexes

$$
LATEXBLOCK0
$$

Identify the pattern of conduction

$$ \text{Progressive PR prolongation followed by a dropped QRS complex} \implies \text{Wenckebach (Mobitz Type I)} $$

Match with the given options

$$ \text{Mobitz Type I} \implies \text{2nd Degree Type I Heart Block} $$

Answer:

• (A) Sinus Rhythm with 1st degree Heart Block
• (B) 2nd Degree Type I Heart Block (Correct answer)
• (C) Sinus Arrhythmia
• (D) 2nd Degree Type II Heart Block
• (E) 3rd Degree Heart Block