RATIOS, FORMULAS, DEFINITIONS Flashcards
Normal penile brachial index is
greater than or equal to 0.75
velocity ratio consists of the highest ___ in _____ divided by the ___ ____ to stenosis
highest PSV in stenosis/ PSV prox to stenosis
Marginal penile brachial index is
0.65 -0.74
Abnormal penile brachial index is
< 0.65
Toe brachial index that has poor healing potential is
< 30 mm/Hg
Renal aortic ratio consists of highest ____ ____ ____ divided by ___ ___
highest renal artery PSV divided by aortic PSV
ICA stenosis >125 cm/sec PSV and <140 cm/sec EDV is what percentage?
50-79%
ICA stenosis >125 cm/sec PSV and >140 EDV is what percentage?
80-90%
Tingling, pins needles, prickling of skin
Paresthesia
weakness, numbness, or paralysis
Paresis
weakness, numbness, or paralysis on one side of the body
Hemiparesis
Paralysis on one side of the body
Hemiplegia
Inability to speak
Aphasia
Difficulty speaking, loss of power of verbal expression
Dysphasia
Difficulty with speech due to the dysfunction of the muscles or nerves involved with speaking
Dysarthria
Double vision
Diplopia
impairment in spatial perception
Dizziness
difficulty reading or interpreting words letters or symbols
Dyslexia
sudden fall WITHOUT loss of consciousness
Drop attack
lack of muscular coordination while performing voluntary movements
Dyssynergia
6 “P’s” associated w/ acute arterial occlusion
Pain
Pallor
Pulselessness
Paresthesia
Paralysis
Poikilloderma
Normal ICA/CCA ratio is
<2.0
ICA/CCA ratio >__ is 70% threshold
4.0
Veins without valves are
IVC
SVC
innominate
Soleal veins/sinuses
Intracranial sinuses
Virchows triad is _____,_______,_____
Trauma, Stasis, Hypercoagubility
Reflux interpretation
Abnormal superficial is >___
Abnormal deep is > ___
0.5 sec
1.0 sec
Venous refill time using PPG
Normal __ 20 sec
Abnormal __ 20 sec
greater than
less than
MCA depth
30-60 mm
Terminal ICA depth
55-65 mm
ACA depth
60-80 mm
PCA depth
60-70 mm
ICA siphon depth
60-80 mm
Opthalmic depth
40-60 mm
vertebral depth
60-90 mm
Basilar depth
80-120 mm
Peaked PPG waveform
Stenosis interpretation iliac arteries
2:1 ratio increase = greater than or equal to __%
4:1 ration increase = greater than or equal to __%
50
70
Aneurysm is > _____ the diameter of the adjacent normal artery
1 1/2 times
Interpretation Post Exercise measurments
Length in time to Recover
- min consistent with single level disease
- consistent with multiple level disease
2-6
6-12
Drop in ankle pressure >__ mm/Hg confirms vascular etiology for claudication
20
ABI Interpretation
Normal is >__
1.0
ABI interpretation
probably abnormal, exercise pt is >-
> 0.9-<1.0
ABI interpretation
probable claudication is <___
0.8
ABI interpretation
multilevel disease is <___
0.5
ABI greater than ___ is not valid
1.3
loss of the visual field that impacts BOTH eyes for ex. rt brain hemisphere damage may result in left homonymous hemianopia and loss fo the left field of view in both the right and left eyes
HOMONYMOUS HEMIANOPIA
“Fleeting vision” Transient loss of vision in one eye. Due to lesion on the IPSILATERAL side for ex RIGHT ICA embolus tot he RIGHT opthalmic artery would result in _____
AMAUROSIS FUGAX
patients describe as shade pulled down over the eye
The BIG Three symptoms highly associated with extracranial carotid artery disease
Hemiparesis
Aphasia/Dysphasia
Amaurosis Fugax
(P1-P2)pie r4/8nL
poiseuilles equation
area and velocity are _____ proportional
inversely
Flow (Q)= Pressure (P)/ Resistance (R)
Poiseuilles law
Drop in ankle pressure >___ mm/Hg confirms vascular etiology for claudication
20
Normal PSV in renal artery exam is
<180 cm/sec
Stenosis at the origin of the renal artery is more likely to be ______ while a lesion in the mid or distal segment is typical of _____. *also consider the pt gender. ___ is more likely in young or middle aged female.
atherosclerotic
fibromuscular dysplasia
FMD
Stenosis at the origin of the renal artery is more likely to be ______ while a lesion in the mid or distal segment is typical of _____. *also consider the pt gender. ___ is more likely in young or middle aged female.
atherosclerotic
fibromuscular dysplasia
FMD
> ____ ml/min is generally accepted fistula volume <___ ml/min is suggestive of it failing
800
500
Mean velocity for Vasospasm is
> 120 cm/sec
This acoustic window is used to monitor for emboli and assess the mid and distal porous segment of ICA
Transmandibular acoustic window
Endoleak types
-leak prompts attachment site
Type I
Endoleak Types
-Patent branch with retrograde flow into the aneurysm
Type II
Endoleak Types
-Graft defect
Type III
Endoleak types
-Graft porosity
Type IV
Endoleak types
-Endotension: enlarging sac with no detectable leak
Type V
aortoiliac obstruction
common in males
absent femoral pulses
Leeiche syndrome
