🫀 Heart Blocks A heart block happens when there’s a delay or interruption in the electrical conduction that controls the heart’s rhythm. Here are the 4 types you need to know: 🔹 1st Degree → PR interval is prolonged 🔹 2nd Degree Type I (Wenckebach) → PR gets progressively longer, then drops a beat 🔹 2nd Degree Type II (Mobitz II) → PR is consistent, but some QRS complexes are randomly dropped ⚠️ Highest risk of progressing to 3rd degree 🔴 3rd Degree (Complete Heart Block) → No communication
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🫀 Heart Blocks A heart block happens when there’s a delay or interruption in the electrical conduction that controls the heart’s rhythm. Here are the 4 types you need to know: 🔹 1st Degree → PR interval is prolonged 🔹 2nd Degree Type I (Wenckebach) → PR gets progressively longer, then drops a beat 🔹 2nd Degree Type II (Mobitz II) → PR is consistent, but some QRS complexes are randomly dropped ⚠️ Highest risk of progressing to 3rd degree 🔴 3rd Degree (Complete Heart Block) → No communication
1.4M viewsMay 19, 2025
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