CARDIAC + RHYTHM LESSONS WITH {DIAGRAMATIC EXPRESSIONS} HESI EXIT

CARDIAC + RHYTHM LESSONS WITH {DIAGRAMATIC EXPRESSIONS} HESI EXIT GUARANTEE PASS lOMoAR cPSD| Normal Sinus By Andrewmeyerson - Own work, CC BY-SA 3.0, Rate 60-100 bpm P Wave Sinus QRS Normal (0.06-0.12) Conduction P-R normal (0.12-0.20) Rhythm Regular lOMoAR cPSD| Downloaded by Ned Toyn () Sinus Bradycardia Rate 40-59 bpm P Wave Sinus QRS Normal (0.06-0.12) Conduction P-R normal or slightly prolonged at slower rates Rhythm Regular or slightly irregular Causes  Often seen as a normal variation in athletes, during sleep, or in response to a vagal maneuver.  If the bradycardia becomes slower than the SA Node pacemaker, a junctional rhythm may occur. Treatment includes: ● Treat underlying cause ● Medications: Atropine, Isuprel ● Artificial pacing if patient is hemodynamically compromised