Let's get physio!
The biggest disadvantage of physiologic testing for arterial disease.
What is the inability to detect the precise location of disease?
What type of segmental pressure testing uses one thigh cuff and one calf, and one ankle cuff?
What is the three cuff segmental pressure method?
The goal of exercise stress ABI.
What is to differentiate true claudication from pseudoclaudication?
During systole, the highest pressure in the arterial system is found in this artery.
What is the thoracic aorta?
In a total arterial occasion, you can expect to see this on color Doppler.
What is absence of color fill?
This method of physiologic testing uses a photocell to detect cutaneous flow in a digit.
What is photoplethysmography?
What type of segmental pressure testing uses a high thigh cuff, a low thigh cuff, a calf cuff, and an ankle cuff?
What is the 4 cuff segmental pressure method?
Thus type of testing is done in patients who may have a normal ABI at rest, but experience claudication during walking or exercise.
What is treadmill stress testing?
This is the typical waveform found in the lower extremity arteries.
What is a triphasic waveform?
This spectral Doppler waveform exhibits spectral broadening and high PSV in this type of segment.
What is a spectral Doppler waveform within a stenosis?
This form of physiologic testing records the changes in volume in a limb for every cardiac cycle.
What is pneumo-plethysmography?
Which segmental pressure method can differentiate between aorta-iliac disease vs femoral disease?
What is the 4 cuff segmental method?
A patient uses a walker to ambulate and presents for treadmill stress testing.
What is a contraindication to stress testing?
During this part of the cardiac cycle, pressure is lower in the distal vascular beds, causing flow to go towards the feet.
What is systole?
Post-stenosis, you can expect to see this type of spectral waveform.
What is a monophonic waveform?
This form of digit pressure testing relies on waveforms only as there is no audible output.
What is photoplethysmography?
The high thigh cuff artifact in the 4 cuff method causes the high thigh pressure to be this many mmHg above the brachial pressure,
What is 20-30 mmHg?
A patient presents for stress testing with resting ischemic pain.
What is a contraindication for stress testing?
These arterioles are responsible in the shunting of blood past the capillary beds during resting states of muscles.
What is a metarteriole?
Name the velocity criteria for a 50-75% arterial stenosis.
What is a velocity of 200-400 cm/s?
This form of testing is also referred to as pneumoplethysmography.
What is pulse-volume recording (PVR)?
A toe brachial index of less than 0.66.
What is an abnormal TBI?
This is the standard walking time for a treadmill stress exercise ABI.
What is 5 minutes?
This compound is responsible for triggering smooth muscle cell relaxation that causes vasodilation in high demand situations like exercise.
What is nitric oxide?
This systolic ratio indicates a 50-75% stenosis.
What is a 2:1 velocity ratio?