acute care Cardiac Rhythyms
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| PEA | pulseless electrical activity
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| A cell is in a polarized state when it is | at rest
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| _____ _____ is when channels open allowing the exchange of K, Na and Ca ions to occur | action potential
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| the property of being able to recieve an electrical impulse from a neighboring cell, depolarize and pass onto another cell | conductivity
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| P-waves represent | atrial contraction
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| QRS-waves represent | ventricular contraction
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| T-waves represent | ventricular relaxation
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| Only ____ electrodes on an EKG are active at any one time | three
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| Normal PR interval | 0.12 - 0.20
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| Normal QRS interval | less than 0.12
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| Artifact on an EKG represents | patient movements
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| Electrical response in a patients room causing interference on the the EKG reading | 60 cycle interference
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| rate:70, rhythm: regular, P Wave for every QRS, PR interval .12, QRS interval .06 | normal sinus rhythm
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| treatment for normal sinus rhythm | nothing, monitor patient and EKG
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| Rate:50, rhythm: regular, P Wave for every QRS, QRS: .16 | sinus bradycardia
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| treatment for sinus bradycardia | give atropine and consult for a pacemaker
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| action of atropine | blocks vagas nurve and makes sympathetic nerves take control and it is a short actingmed
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| Rate: 70, rhythm: irregular, SA node rate increases with respirations, all intervals with in normal limits | sinus arrhythmia or dysrhythmia
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| Rate: 160, rhythm: regular, difficult to see P Waves, QRS normal | supraventricular tachycardia
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| treatment for supraventricular tachycardia | adenosine, amiodarone, cardioversion
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| Rate: 70, rhythm: irregular, no P Waves QRS normal | A-Fib
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| Rate: 250, rhythm: regular, F-waves (saw tooth), not P Waves not PR interval QRS regular | A-Flutter
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| P-Wave looks different than the rest, regular rhythm, rate 85, PR 0.16, QRS: 0.08 | PAC: pre atrial contraction
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| Early QRS, wide and bizarre QRS, QRS >.12, no P Wave before the QRS | PVC: preventricular contraction
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| > 6 PVC in one min what do you do | call the doctor
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| rate > 100, rhythm regular, three or more PVC's in a row | V-Tac: ventricular tachycardia
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| treatment for V-Fib | shock X3, epinephrine, defib, vasopressin, defib, amiodarone
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| PR interval > .20 sec | first degree heart block
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| normal to slow rate, irregular rhythm, P Wave not followed by a QRS | second degree heart block / Wenchebach
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| rate slow, regular rhythm, more P Waves that QRS | second degree heart block / classical
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| slow rate, regular P to P, regular QRS to QRS, irregular PR interval | Third degree heart block
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Created by:
dnoyes
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