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Cardiovascular Disorders Overview for NURS 3530/3525 $10.49   Add to cart

Exam (elaborations)

Cardiovascular Disorders Overview for NURS 3530/3525

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  • NURS 352
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  • NURS 352

Cardiovascular Disorders Overview for NURS 3530/3525 Cardiac Action Potential - answerThe electrical activation of the cell caused by influx of sodium into cell while potassium exits the cell. Depolarization - answerElectrical activation of the cell caused by influx of sodium into cell while p...

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  • November 12, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NURS 352
  • NURS 352
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©THEBRIGHT EXAM SOLUTIONS

11/8/2024 12:08 PM


Cardiovascular Disorders Overview for
NURS 3530/3525

Cardiac Action Potential - answer✔The electrical activation of the cell caused by influx of sodium into
cell while potassium exits the cell.

Depolarization - answer✔Electrical activation of the cell caused by influx of sodium into cell while
potassium exits the cell - this makes the cell less negative.

Repolarization - answer✔Return of the cell to a resting state caused by reentry of potassium into the cell
while sodium exits.

Effective refractory periods - answer✔Cells cannot depolarize.

Relative refractory - answer✔Cells require stronger than normal stimulus to depolarize.

Sinus rhythm - answer✔Regular rhythm with 1 p wave before each QRS complex, rate 60 - 100.

Sinus bradycardia - answer✔Rate less than 60.

Sinus tachycardia - answer✔Rate greater than 100.

Cardiac Output (CO) - answer✔The amount of blood your heart pumps out in one minute.

Heart Rate (HR) - answer✔How many times your heart beats in one minute.

Stroke Volume (SV) - answer✔The amount of blood pumped out of the heart with each beat.

Ejection Fraction (EF) - answer✔A percentage that shows how much of the blood in the heart is pumped
out with each beat.

Mean Arterial Pressure (MAP) - answer✔The average pressure in your arteries during one heartbeat.

MAP Formula - answer✔SBP + 2 (DBP)/3.

Cardiac Output Formula - answer✔CO = HR X Stroke Volume.

Angina pectoris - answer✔Chest pain when there is inadequate air or blood to the heart.

Risk factors for Coronary Artery Disease - answer✔Elevated LDL, Tobacco use, hypertension, diabetes
metabolic syndrome.

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