AND ANSWERS WITH STUDY GUIDE DETAILED AND VERIFIED FOR
GUARANTEED PASS, LATEST UPDATE 2025
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.
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
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
2. EPI 3-5min
3. Pulse check every 2 min
*DO NOT SHOCK*
Post ROSC care goals - CORRECT ANSWER Preserve
neurological function
prevent organ damage
treat underlying cause
Angina definition and ECG changes - CORRECT ANSWER Pain r/t
ischemia lasting 20 min and subsides when stress is taken away
ECG: ST depression
3 Most common locations of MI - CORRECT ANSWER LAD (40-
50%)
RCA (30-40%)