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KAISER EKG EXAM LATEST COMPLETE 350 DETAILED QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ $19.99   Add to cart

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KAISER EKG EXAM LATEST COMPLETE 350 DETAILED QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+

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KAISER EKG EXAM LATEST COMPLETE 350 DETAILED QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+

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  • August 22, 2024
  • 105
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • KAISER EKG
  • KAISER EKG
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KAISER EKG EXAM LATEST 2024-2025 COMPLETE
350 DETAILED QUESTIONS AND CORRECT VERIFIED
ANSWERS ALREADY GRADED A+
automaticity - ANSWER-ability of pacemaker cells to initiate electrical impulse




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




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




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




sa node - ANSWER-- primary pacemaker of heart

- 60-90 bpm




av node - ANSWER-delay = atrial contraction + ventricular filling

- 40-60 bpm




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bundle of his - ANSWER-ability to self initiate electrical activity

- 40-60 bpm




purkinje fibers - ANSWER-network of fibers that carry electrical impulse to ventricular muscle
cells

- 20-40 bpm




NSR

Brady

Tachy

SVT

Junctional

Ventricular rhythm - ANSWER-NSR 60-100

Brady 40-60

Tachy >100

SVT >150

Junctional 40-60

Ventricular rhythm 20 - 40




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PR interval - ANSWER-0.12-0.20

beginning of p to beginning of qrs




qrs interval - ANSWER-< 0.12

beginning of q to end of s




qt interval - ANSWER-beginning of q to end of t

- heart rate dependent

depolarization - ANSWER-- inside of cell becomes positive, outside negative

- contraction

- na+ channel opens

- ELECTRICAL




repolarization - ANSWER-movement of cells = inside is negative again

- na+ channels close, k+ channels open

- MECHANICAL




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p wave

qrs wave

t wave - ANSWER-- (p) atrial depolarization

- (qrs) ventricular depolarization

- (t) ventricular repolarization




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




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




relative refractory (vulnerable per of repolarization) - 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 - ANSWER-haldol, bradycardia, hypokalemia




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