EKG RHYTHMS---- From Order to Chaos------ Strip Rate Rhythm P PRI QRS Discussion Normal Sinus Rhythm To be Sinus ”Normal Rhythm” as opposed to 60- + 0.12- Rhythm,” must “Sinus 100 REG 0.20 <0.12 ↑ meet all criteriae ~ Sec Sec, 1:1 QRS = = ~ Bradycardia + 0.12- <0.12 -Etiology? – < 60 REG 0.20 Sec, -Symptoms? ↑ ~ Sec = 1:1 QRS = ~ -Atropine IV (Symptomatic Bradycardia) -Consider Pacemaker Sinus Tachycardia + 0.12- <0.12 Search for and eliminate source, if possible 101- REG 0.20 Sec, ↑ Consider: 150 ~ Sec =, Pain Anxiety 1:1 QRS = ~ Hypovolemia Drugs Supraventricular Tachycardia (SVT) >150 REG Typically N/A <0.12 NARROW COMPLEX Cannot TACHYCARDIA: + Sec, See (“Buried” -Vagal Maneuvers; = in the QRS) -Adenosine IVP; -Synchronized Cardioversion ~ Atrial Fibrillation Chronic versus new onset; versus “Controlled Varies IRREG NO N/A <0.12 uncontrolled; frequently (in sec chronic) goal is to keep rate under 100 bpm -Digoxin -Synchronized Cardioversion -Coumadin
EKG RHYTHMS---- From Order to Chaos------ Strip Rate Rhythm P PRI QRS Discussion Normal Sinus Rhythm 60- 100 REG + ↑ ~ 1:1 QRS 0.12- 0.20 Sec = <0.12 Sec, = ~ To be ”Normal Sinus Rhythm” as opposed to “Sinus Rhythm,” must meet all criteriae Bradycardia < 60 REG + ↑ ~ 1:1 QRS 0.12- 0.20 Sec = <0.12 Sec, = ~ -Etiology? – -Symptoms? -Atropine IV (Symptomatic Bradycardia) -Consider Pacemaker Sinus Tachycardia 101- 150 REG + ↑ ~ 1:1 QRS 0.12- 0.20 Sec = <0.12 Sec, =, ~ Search for and eliminate source, if possible Consider: Pain Anxiety Hypovolemia Drugs Supraventricular Tachycardia (SVT) >150 + REG Typically Cannot See (“Buried” in the QRS) N/A <0.12 Sec, = ~ NARROW COMPLEX TACHYCARDIA: -Vagal Maneuvers; -Adenosine IVP; -Synchronized Cardioversion Atrial Fibrillation Varies IRREG NO N/A <0.12 sec Chronic versus new onset; “Controlled versus uncontrolled; frequently (in chronic) goal is to keep rate under 100 bpm -Digoxin -Synchronized Cardioversion -Coumadin