NSG 170 Perfusion Study Questions and Correct Answers
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Course
NSG 170
Institution
NSG 170
Know medications to treat PVD & PAD: -Ramipril -Aspirin -Clopidegrel (Plavix) -Cilostazol(Pletal): inhibits platelet aggregation, increases vasodilation
-Pentoxifylline (Trental): Improves deformability of RBCs and WBCs
-Simvastatin: treat high cholesterol and triglyceride levels
What do you nee...
NSG 170 Perfusion Study Questions and
Correct Answers
Know medications to treat PVD & PAD: ✅-Ramipril
-Aspirin
-Clopidegrel (Plavix)
-Cilostazol(Pletal): inhibits platelet aggregation, increases vasodilation
-Pentoxifylline (Trental): Improves deformability of RBCs and WBCs
-Simvastatin: treat high cholesterol and triglyceride levels
What do you need for good central perfusion? ✅- Functional cardiac system
- Adequate blood volume
- Adequate BP
Central Perfusion:
Force of blood movement generated by cardiac output
Cardiac output (CO) =
stroke volume x heart rate
Problems with central perfusion:
- Heart not pumping well
Assessing for adequate central perfusion:
- alert and oriented
- normal BP
- normal HR
- central cyanosis
Symptoms:
- central cyanosis
- severe fatigue
*Systemic: entire body is effected
What do you need for good tissue or "local" perfusion? ✅- Patent vessels
- Adequate hydrostatic pressure
- Capillary permeability
Tissue perfusion:
, Volume of blood that flows to target tissues
Problems with local perfusion:
- blocked vessel
- excessive edema
- Ischemia (interruption in the arterial blood supply to a tissue, organ, or extremity)
Assessing for adequate local perfusion:
- good pedal pulses
- cap refill
- pallor
- temperature
- RR normal
- HR normal
Symptoms:
- edema
- tissue breakdown (ulcers)
- lack of hair growth on lower extremities (arterial peripheral disease)
athrosclerosis ✅hardening of the arteries
cardiogenic shock ✅A state in which not enough oxygen is delivered to the tissues of
the body, caused by low output of blood from the heart. It can be a severe complication
of a large acute myocardial infarction, as well as other conditions.
Hemorrhagic ✅pertaining to profuse or excessive bleeding
All cells need? ✅- oxygen
- nutrients
- fluids
What organs require a large volume of perfused blood? ✅- brain
- intestines
- kidneys & liver
What organ require a lower volume of perfused blood? ✅-skeletal tissue
Hypertension ✅*high blood pressure
* Affects 1 in 3 adults in the US! (Healthy people 2020)
What risks are increased with hypertension? ✅- MI
- Heart failure
- Stroke
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