ALL EXAMS: EKGs Flashcards
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normal sinus rhythm
none
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Sinus bradycardia
Assess patient’s BP and for symptoms
- Atropine or pacemaker if symptomatic
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sinus tachycardia
treat underlying cause
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premature atrial complexes (PAC)
occasional = normal
Assess patient and check electrolytes
treat underlying cause (may be an early sign of HF, a-tach, or a-fib)
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Paroxysmal atrial tachycardia (PAT)
(multiple PACs)
Assess patient
treat underlying cause
- Digoxin (cardiac glycoside)
- cardizem (calcium channel blocker)
- beta-blockers (end in -lol)
- amiodarone (class III antiarrhythmic)
- adenosine (call V antiarrhythmic)
- oxygen
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Atrial Flutter
Assess patient, check for SOB or chest pain
- digoxin (cardiac glycoside)
- cardizem (calcium channel blockers)
- beta-blockers
- adenosine (class V antiarrhythmic)
- CARDIOVERSION
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Atrial fibrillation
Assess patient and count HR for 1 minute
<48 hours/unstable
- digoxin (cardiac glycoside)
- cardizem (calcium channel blocker)
- beta-blocker
- amiodarone (class III antiarrhythmic)
- CARDIOVERSION
> 48 hours/stable
- anticoagulants for 2-3 weeks, then cardioversion
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Premature ventricular contraction (PVC)
Assess patient and monitor; correct underlying cause/electrolyte imbalance
occasional = okay
more than 6/min or close to T wave = bad
Drugs
- amiodarone (class III antiarrhythmic)
- oxygen
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couplet
- two PVCs in a row
Assess patient and monitor; correct underlying cause/electrolyte imbalance
occasional = okay
more than 6/min or close to T wave = bad
Drugs
- amiodarone (class III antiarrhythmic)
- oxygen
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triplet
- three PVCs in a row
Assess patient and monitor; correct underlying cause/electrolyte imbalance
occasional = okay
more than 6/min or close to T wave = bad
Drugs
- amiodarone (class III antiarrhythmic)
- oxygen
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Ventricular tachycardia
Assess patient; check pulse, vitals, and LOC
Pulse and stable
- amiodarone (class III antiarrhythmic)
- cardizem (calcium channel blocker)
- Beta-blocker
- digoxin (cardiac glycoside)
- CARDIOVERSION
No pulse
- Defibrillation
- CPR
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Wolfe-parkinson white
- swooping Q-R
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Torsades de pointes
Assess patient
- IV magnesium
- may need cardioversion
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Ventricular fibrillation
Assess patient (pulse, vitals, LOC)
- DEFIBRILLATE
- CPR
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supraventricular tachycardia
Assess patient (vitals, LOC)
Lie patient flat in bed; call Dr. and stay with pt
If stable:
- vagal maneuvers (bear down, ice cold washcloths on face, deep cough)
If unstable:
- adenosine (class V antiarrhythmic)
- amiodarone (class III antiarrhythmic)
- cardizem (calcium channel blocker)
- verapamil (calcium channel blocker)
- CARDIOVERSION (if meds don’t work)
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Idioventricular rhythm
- slow rate
- regular rhythm
- no P wave
- inverted T wave
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Asystole
Assess patient (check pulse, LOC, and other leads on tele monitor)
Begin CPR
- epinephrine (alpha/beta-adrenergic agonist)
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bundle branch block
- double Q waves
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1st degree heart block (p waves farther than 0.2 from QRS)
Assess patient
May not need interventions