EKG Heart Blocks as Dances 🫀🕺 🫀First-Degree Heart Block Prolonged PR interval (greater than 0.20 seconds) 💡If the R is far from the P, then you have a FIRST-DEGREE 🫀Second-Degree Heart Block Mobitz I (Wenckebach) PR intervals become increasingly LONGER until an entire QRS complex (beat) is missed 💡”Longer, longer, longer... DROP — that’s Wenckebach! 🫀Second-Degree Heart Block Mobitz II PR intervals are equal in length and do not elongate, yet SOME ARE SIMPLY not followed by a QRS complex

This is FIRST-degree heart block! In this rhythm, the atrial impulse is delayed and travels to the ventricles slower 🐢 than normal. So the time from the P wave (the atria contracting) to the QRS complex (the ventricles contracting), is longer! How do we know? The PR interval is greater than 0.20 seconds (one big box)! 🧠 Memory trick for first degree heart block...If the R is far from P, then you have a FIRST degree! Follow Archer NCLEX Review for more heart block tips to know for nursing schoo