Chapter 30 Flashcards
Arterial pressure (approx. ____ mmHg is ______ than venous pressure (approx. _____ mmHg)
100
More
40
Blood flow from the left of the heart to the right
Aorta-> arteries -> arterioles-> capillaries-> venules -> veins -> venae cava
Fluid always flows from areas of ______ pressure to areas of ______ pressure so blood flows from __________ to the _________ system.
Higher
Lower
Arterioles
Venous
Flow rate
delta(P)/R
Peripheral arterial disease is caused by ____________ __________ of the lumen of the arteries by atherosclerotic plaque build up.
Progressive narrowing
If arteries are totally occluded, ______ and __________ (gangrene) develop and the ________ is no longer ________.
Necrosis
Ulceration
Extremity
Viable
The 5 P’s of PAD:
Pulselessness, paralysis, peristesia, pain and pallor
Heaviness and pain in legs after a short period of exertion that are _______ by _____.
Relieved
Rest
__________ measures BP in the _______ and _____ extremities. The BP taken after a brief period of exercise in the pt and ________ show a drop in the _______ BP, indicating _________ and decreased perfusion.
ABI (Ankle-Brachial index) Upper Lower PAD Ankle Constriction
Dopplar U/S to measure ______ of blood flow.
Velocity
______ shows images of plaque in arteries.
MRI
Pt will need lipid panel and CMP to assess ________ and nitrogenous waste.
Electrolytes
_-_______ test to assess for fibrin degradation products.
D-dimer
Blood work to assess for inflammatory markers and _________ to visualize blood flow through extremities.
Angiography
Complications of PAD
Thromboembolism, CVA & MI
Necrosis, arterial ulcerations, gangrene and amputation.