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Module 2 > Perfusion > Flashcards

Perfusion Flashcards

1
Q

Ischemia

A

deprived of O2 (reversible)

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2
Q

Infarction

A

Tissue death as a result of insufficient O2 (irreversible)

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3
Q

Anoxia

A

total depletion of O2

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4
Q

Hypoxia

A

low O2 in tissues

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5
Q

Hypoxemia

A

Low O2 in blood

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6
Q

cyanosis

A

bluish discoloration of the skin from poor circulation or inadequate oxygen of the blood

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7
Q

pallor

A

pale colored skin

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8
Q

duskiness

A

shadowed color. not quite cyanosis

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9
Q

blood pressure

A

force of blood pushing against the walls of the arteries

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10
Q

systole

A

1/3 cycle. Ventricular contraction

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11
Q

diastole

A

2/3 cycle. Atrial filling/ ventricular relaxation

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12
Q

preload

A

tension at the end of diastole

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13
Q

afterload

A

force ventricles have to overcome to eject blood volume

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14
Q

cardiac output

A

HR X SV

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15
Q

Stroke volume

A

EDV - ESV

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16
Q

central perfusion

A

passage of blood to major organs

17
Q

peripheral perfusion

A

passage of blood to vascular tissue beds

18
Q

Risk factors for poor perfusion

A 
obesity
physical inactivity
smoking
age
gender
race/ethnicity
19
Q

risk factors for HTN

A

family history of HTN
smoking
kidney disease

20
Q

physiological affects of decreased perfusion in CNS

A 
impaired orientation
fatigue
irritability
visual disturbances 
headache
can lead to:
MI
stroke
shock
heart failure
21
Q

physiological affects of impaired perfusion on respiratory system

A 
sob
wob
increased rr
abnormal lung sounds
dyspnea
retraction
low O2 sat 
abnormal breathing pattern
22
Q

physiological affects of impaired perfusion on cardiac system

A 
pain
increased/decreased HR
cardiomegaly 
abnormal BP
asymmetrical pulses
JVD (pressure backup)
23
Q

physiological affects of impaired perfusion on GI

A

hypoactive bowl sounds
poor peristalsis
pain

24
Q

physiological affects of impaired perfusion on GU

A 
dark urine
oliguria
erectile dysfunction
fertility issues
problems with menstrual cycle
25
Q

physiological affects of impaired perfusion on integumentary system

A 
discoloration of skin
turgor
delayed cap refill
cold skin
change in pulse
nail clubbing
decrease in wound healing time
hair growth pattern

Module 2 (5 decks)

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