ECG_Checklist__1
ECG_Checklist__1Sinus Bradycardia HR : < 60 bpm Normal P wave Physiologi cal : Athletes (increased vagal tone) / Betablockers / CCBs Pathologic al : Sick Sinus Syndrome Sinus Tachycardia HR : > 100 bpm Regular rhythm Normal P wave Due to sympathetic activation / vagal withdrawal @ SA node Physiologi cal : Exercise / Fever / Hypovolemia / Anemia / Hyperthyroidism Pathologic al : If occurs at rest ---> "inappropriate sinus tachycardia" 1st Degree AV Block PR interval > 0.2 s Physiologi cal : Increased vagal tone / Betablockers / CCBs 2nd Degree AV Block (Type I) Progressiv e lengthening of PR interval until a heartbeat is dropped
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ecgchecklist1sinus bradycardia hr 60 bpm