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Kaiser EKG Test UPDATED ACTUAL Exam Questions and CORRECT ANSWERS $9.99   Add to cart

Exam (elaborations)

Kaiser EKG Test UPDATED ACTUAL Exam Questions and CORRECT ANSWERS

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Kaiser EKG Test UPDATED ACTUAL Exam Questions and CORRECT ANSWERS depolarization - CORRECT ANSWER- - inside of cell becomes positive, outside negative - contraction - na+ channel opens - ELECTRICAL repolarization - CORRECT ANSWER- movement of cells = inside is negative again - na+ ch...

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  • October 7, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Kaiser EKG
  • Kaiser EKG
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MGRADES
Kaiser EKG Test UPDATED ACTUAL
Exam Questions and CORRECT
ANSWERS
depolarization - CORRECT ANSWER- ✔✔- inside of cell becomes positive, outside
negative
- contraction
- na+ channel opens
- ELECTRICAL


repolarization - CORRECT ANSWER- ✔✔movement of cells = inside is negative again
- na+ channels close, k+ channels open
- MECHANICAL


p wave
qrs wave

t wave - CORRECT ANSWER- ✔✔- (p) atrial depolarization
- (qrs) ventricular depolarization
- (t) ventricular repolarization


refractory period - CORRECT ANSWER- ✔✔per of time where cardiac cells cannot respond
to stimulus


absolute refractory period - CORRECT ANSWER- ✔✔beginning of qrs to peak of t wave



relative refractory (vulnerable per of repolarization) - CORRECT ANSWER- ✔✔- cardiac
cells have repolarized enough to respond to strong stimulus
- during this per a strong stimulus may overtake the pacemaker of the heart
- ex. PVC during vulnerable period may turn into vtach or torsades
- prolonged QT interval inc possibility

,causes of prolonged qt intervals - CORRECT ANSWER- ✔✔haldol, bradycardia,
hypokalemia


automaticity - CORRECT ANSWER- ✔✔ability of pacemaker cells to initiate electrical
impulse


excitability - CORRECT ANSWER- ✔✔ability of muscle cells to respond to outside stimulus



conductivity - CORRECT ANSWER- ✔✔ability to recieve electrical stimulus and conduct
impulse to adjacent cells


contraction - CORRECT ANSWER- ✔✔cardiac cells shorten = muscular contraction in
response to electrical stimulus


sa node - CORRECT ANSWER- ✔✔- primary pacemaker of heart
- 60-90 bpm


av node - CORRECT ANSWER- ✔✔delay = atrial contraction + ventricular filling
- 40-60 bpm


bundle of his - CORRECT ANSWER- ✔✔ability to self initiate electrical activity
- 40-60 bpm


purkinje fibers - CORRECT ANSWER- ✔✔network of fibers that carry electrical impulse to
ventricular muscle cells
- 20-40 bpm


NSR
Brady
Tachy
SVT

, Junctional

Ventricular rhythm - CORRECT ANSWER- ✔✔NSR 60-100
Brady 40-60
Tachy >100
SVT >150
Junctional 40-60
Ventricular rhythm 20 - 40


PR interval - CORRECT ANSWER- ✔✔0.12-0.20
beginning of p to beginning of qrs


qrs interval - CORRECT ANSWER- ✔✔< 0.12
beginning of q to end of s


qt interval - CORRECT ANSWER- ✔✔beginning of q to end of t
- heart rate dependent


is rhythm regular or irregular - CORRECT ANSWER- ✔✔measure interval between R waves



ventricular rate - CORRECT ANSWER- ✔✔- count # of qrs complexes



atrial rate - CORRECT ANSWER- ✔✔- count # of p waves



causes of bradycardia - CORRECT ANSWER- ✔✔- vagal
- dig, beta blockers
- compensatory response in acute MI
- ischemic heart disease
- sick sinus. synd
- inc intracranial pressure

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