UPDATED ACTUAL Questions and
CORRECT Answers
4 valves of the heart - CORRECT ANSWER - tricuspid, pulmonary, mitral, aortic
Conduction of the heart - CORRECT ANSWER - SA-AV-Bundle-perkinje fibers
Pre-load - CORRECT ANSWER - Volume of blood in the ventricles at the end of diastole,
immediately before ventricular contraction
decreased when hypovolemic
Stroke volume - CORRECT ANSWER - amount of blood ejected from the ventricle with
each heartbeat
After load - CORRECT ANSWER - resistance to ejection of blood from ventricle
decreased in distributive shock
Cardiac output - CORRECT ANSWER - HR x SV
SVT - CORRECT ANSWER - no P waves
Narrow QRS
HR not variable
SVT example - CORRECT ANSWER -
SVT Tx - CORRECT ANSWER - Vagal maneuvers
6mg Adenosine (0.1mg/kg)
, 12mg adenosine
Amiodarone (5mg/kg)
Sotalol
Cardioversion 50-100J (0.5-1j/kg)
V-tach w/pulse Tx - CORRECT ANSWER - Adenosine 6mg may repeat with 12mg
Amiodarone
Procainamide
Cardioversion
Bradycardia tx - CORRECT ANSWER - *only if unstable*
Fluid bolus
atropine 1mg x3
epi 2-10 mcg/min
external pacing
Arrest rhythms - CORRECT ANSWER - V-fib
V-tach
PEA
Asystole
ACAA VF/Pulseless Vtach - CORRECT ANSWER - 1. Start CPR
2. shock
3. CPR 2 min pulse check
4. epi every 3-5min
5. Amio/lidocaine
ACAA Asystole/PEA - CORRECT ANSWER - 1. CPR