CEN Study Guide Exam With 100% Correct Answers

CEN Study Guide Exam With 100% Correct Answers When is Afterload low? Correct Answer: Only in Distributive Shock Preload volume is measured by? Correct Answer: CVP (Right Atrial pressure) Afterload volume is measured by? Correct Answer: SVR (Systemic vascular resistance What increases preload? Correct Answer: Volume (Fluids) What decreases preload? Correct Answer: Diuretics/NTG What decreases afterload? Correct Answer: NTG/Nipride What increased afterload? Correct Answer: Vasopressors (phenylephrine, norepinephrine, epinephrine, and vasopressin) Vasopressor extravasation (a rare adverse drug reaction that can lead to tissue damage, ischemia, and necrosis of the affected area when vasopressors are administered peripherally) Correct Answer: Phentolamine (alpha receptor antagonist) 5-10 mg in 15 mL of isotonic saline Tx for UNSTABLE Ventricular Tachycardia Correct Answer: Synchronized Cardioversion on R wave Pediatrics cardioversion wattage Correct Answer: 0.5-1 j/kg Tx for STABLE ventricular tachycardia Correct Answer: Amiodarone (150 mg IV bolus in 10 minutes; may repeat q10min as necessary) / sotalol(75 mg IV) / Procainamide (100-200 mg/dose or 15-18 mg/kg; infuse slowly over 25-30 min not to exceed 50 mg/min) Tx for PULSELESS Ventricular Tacnycardia Correct Answer: Defibrillation 120-200 Joules (Peds 2-4 j/kg) Tx for CARDIAC ARREST Correct Answer: H's & T's/ Epinephrine 1mg/ Amiodarone (PVT/vfib-300 mg 1st THEN 150 mg)/ Lidocaine 1-1.5 mg/kg, Na Bicarb 1meq/kg