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ANCC Cardiac & Vascular RN Certification.docx, Exams of Nursing

Keele UniversityNursing

ANCC Cardiac & Vascular RN Certification.docx

Typology: Exams

2023/2024

Available from 08/23/2024

samuel-waweru-1
samuel-waweru-1 🇬🇧

435 documents

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ANCC Cardiac & Vascular RN Certification
Location of Base of heart -
It's the widest part
Runs across 2nd intercostal space
Location of the Heart -
Approx. 2/3 to the left of the mid-sternal line
location of apex of heart -
Tip of term-7the heart
at the 5th intercostal space, medial to left mid-clavicular line
Location of point of maximal impulse -
Apex of Heart
Systole -
Isovolumetric ventricular contraction
Ventricular ejection
Isovolumetric ventricular contraction -
Atria relaxed
All Valves are closed
Ventricular Ejection -
Atria relaxed
Ventricles contract
AV valves: Closed
Aortic/Pulmonary Valves: Open
Diastole -
Isovolumetric ventricular relaxation
Ventricular filling
Isovolumetric ventricular relaxation -
Atria relaxed
Ventricles relaxed
All Valves: Closed
Ventricular Filling -
Atria relaxed then contracts
Ventricles relaxed
AV valves: Open
Aortic/pulmonary vales: Closed
SA Node -
pf3

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ANCC Cardiac & Vascular RN Certification

Location of Base of heart - It's the widest part Runs across 2nd intercostal space Location of the Heart - Approx. 2/3 to the left of the mid-sternal line location of apex of heart - Tip of term-7the heart at the 5th intercostal space, medial to left mid-clavicular line Location of point of maximal impulse - Apex of Heart Systole - Isovolumetric ventricular contraction Ventricular ejection Isovolumetric ventricular contraction - Atria relaxed All Valves are closed Ventricular Ejection - Atria relaxed Ventricles contract AV valves: Closed Aortic/Pulmonary Valves: Open Diastole - Isovolumetric ventricular relaxation Ventricular filling Isovolumetric ventricular relaxation - Atria relaxed Ventricles relaxed All Valves: Closed Ventricular Filling - Atria relaxed then contracts Ventricles relaxed AV valves: Open Aortic/pulmonary vales: Closed SA Node -

pacemaker of the heart Rate: 60-100 bpm Stimulates atria contraction Heavily innervated by both SNS and PNS AV Node - Back-up Pacemaker to SA node Junctional rhythms rate: 40-60 bpm Slows impulses coming from SA to the ventricle Screens rapid atrial impulses to protect ventricles Strong PNS/ Weak SNS Purkinje Fibers - Individual cells that directly stimulate ventricular muscle contraction Back-up pacemaker if SA and AV node fail to fire Idioventricular rhythms: 20-40 bpm Strong SNS/Weak PNS P wave - depolarization of SA node and atria Atrial contraction QRS complex - Q wave: depolarization of interventricular septum R and S waves: depolarization of right and left ventricles ST segment - early repolarization of the ventricles T wave - Late ventricular repolarization QT interval will be longer when.. - the HR is slower QT interval will be shorter when.. - the HR is faster QT interval based on patient's HR formula -

  1. Assume QT interval at HR of 60 is 0.
  2. For ever 10 bpm that patient's HR exceeds 60 bpm, subtract 0.02 sec from 0.42 sec Sympathetic Nervous System (SNS) - "Fight or flight" release of norepinephrine/epinephrine onto alpha- and beta- adrenergic receptors Accelerates HR Increases cardiac output Dilation of coronary arteries Constriction of peripheral arteries