Exam (elaborations)
Cardiac Rhythms and Dysrhythmias Part 4 (1).
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Cardiac Rhythms and Dysrhythmias Part 4 (1).
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Cardiac Rhythms and Dysrhythmias Part 4every other beat is a PVC (normal, PVC, normal) - ANS-Bigeminy
every third beat is a PVC (normal, normal, PVC) - ANS-Trigeminy
Two consecutive PVCs - ANS-Couplets of Premature Ventricular Contractions
Three consecutive PVCs - ANS-Triplets of Premature Ventricular Contractions
ulseless electrical activity
Electrical activity can be observed on the ECG, but no mechanical activity of the heart is
evident, and the patient has no pulse - ANS-Pulseless Electrical Activity
Hypovolemia, hypoxia, metabolic acidosis, hyper/hypokalemia, hypoglycemia, hypothermia
Toxins (e.g., drug overdose), cardiac tamponade, thrombosis (e.g., MI, pulmonary embolus),
tension pneumothorax, and trauma. - ANS-Pulseless Electrical Activity Causes
CPR followed by intubation and IV epinephrine; treatment is directed toward correction of the
underlying cause - ANS-Pulseless Electrical Activity Treatment
represents total absence of ventricular electrical activity; no ventricular contraction; patient
unresponsive, pulseless, apneic - ANS-Asystole
treat with immediate CPR and ACLS measures; epinephrine and/or vasopressin; intubation -
ANS-Asystole Treatment
result of advanced cardiac disease, severe conduction disturbance, or end-stage HF -
ANS-Aystole Causes
VF and pulseless VT - ANS-Defibrillation is the treatment of choice for
ventricular ( VT with a pulse) or supraventricular tachydysrhythmias - ANS-Cardioversion is the
treatment of choice for
Procedure similar to defibrillation except sync button turned ON; if patient stable, sedate prior -
ANS-Cardioversion
turn sync button off and defibrillate - ANS-Cardioversion, if patient becomes pulseless
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