Bradycardia - Differential Diagnosis Framework and Management Narrow Complex Bradycardia: • Regular: Sinus Bradycardia, AFib w/ AV Block, Atrial Tachy w/ AV Block, Junctional Escape • Irregular: Sinus Arrhythmia, Sinus Arrest, AFib w/ Slow Vent Rate, AFib w/ Variable AV Block, Mobitz I AV Block, Mobitz II AV Block Wide Complex Bradycardia: • Regular: Regular SVT WI Wide QRS, Ventricular Escape • Irregular: Irregular SVT w/ Wide QRS, Mobitz II AV Block Unstable Bradycardia Management: 1) PADS ON!! 2) Prepare for transcutaneous pacing 3) Depending on degree of instability and availability of resources: • Give atropine, ± • Bolus epinephrine & start infusion if successful, vs. • Start dopamine as substitute to epinephrine 4) Page Cardiology consultant 5) Address H's and T's Sophia Hayes MD @Sophia_Hayes_MD #Bradycardia #Differential #Diagnosis #Management #cardiology #criticalcare
