Cheat Sheet Heart Rhythm Strips - Web 168 sinus rhythm with vetricular quadrigeminy (pvc every 4th beat) 171 sinus tachycardia with 1st degree av block (0.24.
Web 168 sinus rhythm with vetricular quadrigeminy (pvc every 4th beat) 171 sinus tachycardia with 1st degree av block (0.24.