Answer: 2nd Degree AV Block, Type I (Mobitz I or Wenckebach) – Progressive lengthening of the PR interval until a beat is dropped. Classic pattern!

65 y female with fatigue and nausea

#Extra12 ❤️

The ECG shows a decrease in P wave amplitude, ST elevation in leads I and aVL, and T waves with a tented configuration, even though they are not particularly tall. This combination of findings is highly suggestive of hyperkalemia.

Thanks to everyone who participated. STAY tuned for more cases!

The correct answer is “Electrolyte disturbances”

A 65-year-old male with a history of heart failure presents with dizziness and lightheadedness.

#Case209

“The answer was hypothermia! ❄️ Here’s what the ECG showed:

• Bradycardia
• Osborne Waves
• Prolonged PR, QRS, and QT intervals
• Shivering artifact

Hypothermia can lead to serious complications like cardiac arrest due to VF, VT or asystole. Always be aware of the subtle but crucial signs!

Thanks to everyone who participated. stay tuned for more cases!