Cardio 1

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Author:
shmvii
ID:
278569
Filename:
Cardio 1
Updated:
2014-07-10 16:41:12
Tags:
license exam
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Description:
license exam
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  1. platelet count norm
    150,000-400,000
  2. platelet count for some limitations, mod exercise, light exercise, and just ROM, ADL, amb w MD approval
    • 50,000-150,000
    • 30-50,000
    • 20-30,000
    • <20,000
  3. WBC count norms
    4800-10800
  4. WBC ranges for light, no exercise, protective mask req
    • >5000
    • <5000
    • <1000
  5. hemoglobin norms
    • women 12-16
    • men 13-18
  6. hemoglobin ranges for light exercise, no exercise
    8-10<8
  7. HEMATOCRIT NORMS
    • percent of RBCs in whole blood
    • women 27-48%
    • men 45-52%
  8. hematocrit - when no exercise?
    <25%
  9. stroke volume norm
    55-100 mL/beat
  10. cardiac output norms
    4-5 L/min
  11. cardiac index
    • cardiac output divided by body surface area
    • 2.5-3.5 L/min
  12. international normalized ratio
    • 0.9-1.1
    • but if there's DVT, PE, mechanical valves, A-fib, anticoag meds, target INR is 2-3
  13. ejection fraction norm
    • >55%
    • if it's lower, that's more impairment
  14. parasymp stim to heart (cholinergic) triggers release of what? Does what to coronary arteries?
    • acetylcholine
    • vasoconstriction
  15. symp stim / adrenergic to heart triggers rel of what? does what to coronary arteries? to cutaneous?
    • epi/norepinephrine
    • vasodilation
    • vasoconstriction
  16. baroreceptors/pressoreceptors do what?
    • regulate HR in response to BP
    • located in walls of aortic arch and carotid sinus
  17. chemoreceptors trigger increase in HR if there are what changes to CO2, O2, pH
    increase, decrease, decrease (more lactic acid)
  18. chemoreceptors are located where?
    carotid artery
  19. hyperkalemia does what
    • decreased HR
    • tall T waves
  20. hypermagnesemia does what to heart?
    can lead to arrhytmias or cardiac arrest bc magnesium is a calcium blocker
  21. hypomagnesemia causes what?
    • ventricular arrhythmias
    • coronary artery vasospasm
    • sudden death
  22. shortened ventricular systole and decreased peripheral pressure; aortic insufficiency can lead to what kind of pulse?
    bounding
  23. bony landmark for aortic valve
    2nd R intercostal space at sternal border
  24. bony landmark for pulmonic valve
    2nd L intercostal space at sternal border
  25. bony landmark for tricuspid valve
    4th L intercostal space at sternal border
  26. bony landmark for mitral valve
    5th L intercostal space at midclavicular line
  27. bruit
    • adventitious heart sound
    • arterial or venous
    • common in carotid or femoral arteries
    • indicative of atherosclerosis
  28. S3
    • associated w ventricular filling
    • may be indicative of congestive heart failure
    • if it's present w/o S4 it's a "gallop rhythm"
  29. S4
    indicative of coronary artery disease, MI, aortic stenosis, chronic HTN

    associated w ventricular filling and atrial contraction

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