EKG Overview Jason Lancashire Conductive System of Heart

EKG Overview Jason Lancashire

Conductive System of Heart

NSR at 90 Regular: yes P-wave: present, upright, uniform PRI: < 0. 20 sec QRS: < 0. 12 sec

Sinus Tachycardia at 140 Regular: yes P-wave: present, upright, uniform PRI: <0. 20 sec QRS: < 0. 12 sec

(N)SR with PAC at 80 Regular: yes w/extra beat PRI: < 0. 20 sec P-wave: present, upright, uniform QRS: < 0. 12 sec

(N)SR with Sinus Arrest at 40 Regular: yes w/missing beat(s) PRI: < 0. 20 sec P-wave: present, upright, uniform QRS: < 0. 12 sec

Atrial Fibrillation Regular: irregular Rate: 80 P-wave: none (f-waves) QRS: < 0. 12 sec

Rapid Atrial Fibrillation Regular: irregular Rate: 160 P-wave: none QRS: < 0. 12 sec

Rapid Atrial Fibrillation after Adenosine Administration Regular: irregular Rate: 160 -70 P-wave: none (f-waves) QRS: < 0. 12 sec

A-Flutter Regular: regular P-wave: Pickett Fence – saw tooth PRI: NA QRS: < 0. 12 sec

Junctional Escape Rhythm at 50 Regular: regular PRI: < 0. 20 sec P-wave: present, inverted QRS: < 0. 12 sec

Accelerated Junctional Rhythm at 80 Regular: regular PRI: < 0. 20 sec P-wave: present, inverted QRS: < 0. 12 sec

Junctional Tachycardia Rate 138 Regular: regular P-wave: none QRS: < 0. 12 sec

Idioventricular or Ventricular Escape Rhythm Regular: regular P-wave: none PRI: none QRS: > 0. 12 sec

Accelerated Ventricular Rhythm at 50 Regular: regular P-wave: none PRI: N/A QRS: > 0. 12 sec

A-V Sequential Pacemaker at 75 Regular: regular P-wave: PACER SPIKE PRI: NA (~0. 20 sec) QRS: PACER SPIKE

Mobitz I Regular: irregular P-wave: present, upright PRI: lengthens QRS: < 0. 12 sec

Mobitz II Regular: regular P-wave: present, upright PRI: constant QRS: < 0. 12 sec

Third Degree Heart Block Regular: QRS = reg, P = reg P-wave: present, upright PRI: changes QRS: < 0. 12 sec

Mobitz I Regular: irregular P-wave: present, upright PRI: lengthens QRS: < 0. 12 sec

Mobitz II Regular: regular (QRS & P) P-wave: present, upright PRI: constant QRS: < 0. 12 sec