ECG.CASES
65 y female with fatigue and nausea
Answer: 2nd Degree AV Block, Type I (Mobitz I or Wenckebach) – Progressive lengthening of the PR interval until a beat is dropped. Classic pattern!
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What is the rhythm?
Anonymous Poll
20%
Atrial tachycardia
45%
Atrial Flutter
28%
AVNRT
8%
Atrial Fibrillation
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What is the most probable diagnosis based on the displayed ECG?
Anonymous Poll
49%
Sinus Tachycardia with LBBB
16%
Atrial Flutter with LBBB
17%
Atrial Tachycardia with LBBB
18%
Ventricular Tachycardia
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ECG.CASES
What is the most probable diagnosis based on the displayed ECG?
The correct answer is “Sinus Tachycardia with LBBB”
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In this ECG, the P waves are not clearly visible in most leads because they merged with the T waves. This can sometimes make it tricky to differentiate sinus tachycardia from other arrhythmias. However, if you look closely at lead aVL, you can see a distinct P wave, confirming that the rhythm is sinus.
When P waves aren’t obvious, always check multiple leads before ruling out sinus rhythm. Looking at different angles can make all the difference!
What did you think? Let me know in the comments!
When P waves aren’t obvious, always check multiple leads before ruling out sinus rhythm. Looking at different angles can make all the difference!
What did you think? Let me know in the comments!
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