Idioventricular Rhythm (IVR) Normal EKG for Comparison:
No Pwave, bizarre QRS, rate 20-40 First Degree Heart Block
Normal Sinus Rhythm
Normal deflections & intervals
Long PR interval 2:1 Heart Block
Premature Atrial Contraction (PAC)
Premature Pwave, irregular P-P interval Two Pwaves per QRS complex
Premature Ventricular Contraction (PVC)
Digitalis Effect Wide QRS, unrelated to Pwave Scooping ST segment
Tachycardia, Sinus Rhythm
Bradycardia, Sinus Rhythm
Normal P, QRS, T, rate > 100 Normal P, QRS, T, rate < 60
Hypercalcemia
Short/absent ST segment
Hyperkalemia
Tent-shaped Twave
Ventricular Fibrillation (VFIB)
Chaotic waves Ventricular Tachycardia (VTAC)
Bizarre, wide QRS, no Pwav, rate > 100