Basic EKG/ECG Rhythms Common & Formal Rhythm Names S H O C K A B L E 6 Second Rhythm Strip Identiﬁers Irregular, No P Wave, No QRS V-Fib Ventricular Fibrillation NO PULSE Rate: Unmeasurable V-Tach Ventricular Tachycardia NO PULSE Wide QRS Rate: Fast (100-250 bpm) Torsade de Pointes Type Of Ventricular Tachycardia NO PULSE Rate: Very Fast (200-250 bpm) Tall and Short Waves Regular, No P Wave, Wide QRS Irregular, No P Wave, Wide QRS *Synchronized Cardioversion possible for SVT if medication ineﬀective. SVT* Supraventricular Tachycardia Regular, P Wave Hidden, Normal QRS Rate: Very Fast (150-250 bpm) Reg or Irreg, P Wave, ST Elevated STEMI ST Elevation Myocardial Infarction ST Elevation A-Fib Atrial Fibrillation Erratic Waves * QRS normally narrow but not always Reg or Irreg, No P Wave, Normal QRS A-Flutter Atrial Flutter PVC Premature Ventricular Contraction Sinus Brady Sinus Bradycardia Sinus Tach Sinus Tachycardia “Sawtooth” Pattern PVC PVC No P Waves Rate: Slow (<60 bpm) Rate: Fast (> 100 bpm) Irregular, No P Wave, Wide QRS Regular, P Wave, Normal QRS Regular, P Wave, Normal QRS Regular, P Wave, Normal QRS NSR Normal Sinus Rhythm Irregular, No P Wave, Normal QRS* Rate: Normal (60-100 bpm)