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Sharp EKG study guide exam with complete solution $11.49   Add to cart

Exam (elaborations)

Sharp EKG study guide exam with complete solution

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  • Course
  • Ekg advanced
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  • Ekg Advanced

3 layers of the heart pericardium, myocardium, endocardium Pericardium Primary function to provide lubrication, preventing friction as the heart beats Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Brainpower Read More Myoca...

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  • August 24, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Ekg advanced
  • Ekg advanced
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Sharp EKG study guide exam with
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3 layers of the heart - ANSWER-pericardium, myocardium, endocardium

Pericardium - ANSWER-Primary function to provide lubrication, preventing friction as
the heart beats

Myocardium - ANSWER--responsible for the hearts ability to contract
-thick muscle layer

Myocardium - ANSWER-Chamber thickness is related to the amount of resistance the
muscle must overcome to pulp blood out of the chamber

endocardium - ANSWER--smooth, thin layer of tissue that lines the heart chambers &
valvues
-Allows blood to flow easily thru the heart

Two types of cardiac cells - ANSWER-pacemaker cells and myocardial cells

1st degree HB - ANSWER-Prolonged PR interval

2nd degree type 1 - wenkcbach - mobitz II - ANSWER-PR interval gets longer... going
going gone.

2nd degree type 2 AV Block or mobitz II - ANSWER-Dropped QRS.. PR interval normal.

3rd degree AVB = complete HB - ANSWER-P-P wave consistent; but P & QRS don't
match up

P wave - ANSWER-atrial depolarization

PR interval represents? - ANSWER-Onset (activation) of atrial depolarization to onset of
ventricular depolarization.

PR interval length ? - ANSWER-0.12-0.20 seconds

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