front 1 SA Node Electrical Impulses Beats per minute | back 1 60-100 BPM |
front 2 AV Node Electrical Impulses Beats per minute | back 2 40-60 BPM |
front 3 Bundle of His Electrical Impulses Beats per minute | back 3 40 -55 BPM |
front 4 Bundle Branches Electrical Impulses Beats per minute | back 4 25-40 BPM |
front 5 Purkinje Fibers Electrical Impulses Beats per minute | back 5 25-40 BPM |
front 6 What is going on during one cardiac cycle? | back 6 P Wave = Atrial Depolarization QRS complex = Ventricular Depolarization and masked Atrial Repolarization T wave = Ventricular Repolarization The QT interval is the vulnerable period for dysthrymias! |
front 7 How much is one small box on EKG graph paper? | back 7 0.04 seconds |
front 8 How much is one large box on EKG graph paper? | back 8 5 small boxes and = 0.20 seconds |
front 9 How much is 5 large boxes on EKG graph paper? | back 9 1 second |
front 10 How much is 30 large boxes on EKG graph paper? | back 10 6 seconds |
front 11 What is a normal PR Interval? | back 11 0.12-0.20 seconds, from the beginning of the P wave to the beginning of the QRS |
front 12 What is a normal QRS Complex? | back 12 Less than or equal to 0.12 seconds, Narrow |
front 13 Normal Sinus Rhythm characteristics | back 13
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front 14 What causes sinus bradycardia? | back 14
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front 15 Sinus Bradycardia Rhythm characteristics | back 15
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front 16 What are the signs of sinus bradycardia? | back 16 Altered mental status Hypotension Chest discomfort |
front 17 What is treatment for sinus bradycardia? | back 17 Correct the cause: Think STOP MEDS, WARM pt, STOP Nausea or Vomiting If the patient is symptomatic give Atropine 0.5 mg IV via bolus. Repeat this every 3-5 minutes with a max dose of 3 mg If atropine is ineffective: Transcutaneous pacing Dopamine or Epinephrine |
front 18 Sinus Tachycardia Rhythm characteristics | back 18
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front 19 What are the signs of sinus tachycardia? | back 19
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front 20 What causes sinus tachycardia? | back 20
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front 21 What is treatment for sinus tachycardia? | back 21
If patient is unstable:
Dose 6 mg, 12 mg, 12 mg fast push rapid IVP
Synchonized shock |