Podcast
Questions and Answers
What is the primary purpose of a treadmill test?
What is the primary purpose of a treadmill test?
- To evaluate the presence of D-dimer in serum
- To measure blood flow in arteries post-exercise (correct)
- To assess deep vein thrombosis via a catheter
- To visualize arteries using radiography
What does a Doppler ultrasound assess?
What does a Doppler ultrasound assess?
- The depth of vein thrombosis using a catheter
- The changes in blood volume during exercise
- The presence of claudication and venous obstruction (correct)
- The level of D-dimer in blood samples
Which test is considered the gold standard for diagnosing deep-vein thrombosis (DVT)?
Which test is considered the gold standard for diagnosing deep-vein thrombosis (DVT)?
- Phlebography or venography (correct)
- Angiography
- D-dimer test
- Plethysmography
What is the role of the I-fibrinogen uptake test?
What is the role of the I-fibrinogen uptake test?
Why might a Doppler ultrasound device be necessary?
Why might a Doppler ultrasound device be necessary?
What is D-dimer a product of?
What is D-dimer a product of?
What is the primary function of digital subtraction angiography (DSA)?
What is the primary function of digital subtraction angiography (DSA)?
In which scenario is a skin marker typically used during Doppler assessments?
In which scenario is a skin marker typically used during Doppler assessments?
Which procedure typically involves injecting a contrast medium to visualize arteries?
Which procedure typically involves injecting a contrast medium to visualize arteries?
How is pulsation recorded when using a Doppler device?
How is pulsation recorded when using a Doppler device?
What condition can plethysmography help assess?
What condition can plethysmography help assess?
What is an indication for performing a treadmill test?
What is an indication for performing a treadmill test?
Which of the following tests uses iodine tagging?
Which of the following tests uses iodine tagging?
What does high levels of D-dimer typically indicate?
What does high levels of D-dimer typically indicate?
During a Doppler ultrasound assessment, how should pulsation be recorded?
During a Doppler ultrasound assessment, how should pulsation be recorded?
What does digital subtraction angiography (DSA) visualize?
What does digital subtraction angiography (DSA) visualize?
What is phlebography primarily used for?
What is phlebography primarily used for?
Which procedure assesses blood flow in extremities using a device that measures Doppler shift?
Which procedure assesses blood flow in extremities using a device that measures Doppler shift?
What is the role of a contrast medium in angiography?
What is the role of a contrast medium in angiography?
What is the main purpose of performing a treadmill test?
What is the main purpose of performing a treadmill test?
What is administered initially to visualize blood vessels in digital subtraction angiography?
What is administered initially to visualize blood vessels in digital subtraction angiography?
What technology is used to view blood vessels during digital subtraction angiography?
What technology is used to view blood vessels during digital subtraction angiography?
Which component is essential in the setup of digital subtraction angiography?
Which component is essential in the setup of digital subtraction angiography?
What is the primary visual outcome of digital subtraction angiography?
What is the primary visual outcome of digital subtraction angiography?
In which area of the body does digital subtraction angiography typically visualize blood vessels?
In which area of the body does digital subtraction angiography typically visualize blood vessels?
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Study Notes
Non-Invasive Procedures
-
Treadmill Test
- Assesses blood flow in extremities post-exercise.
- Identifies exercise-related pain, such as claudication.
-
Plethysmography
- Measures changes in blood volume in calf veins or other extremities using a plethysmograph.
-
Doppler Ultrasound
- Utilizes a Doppler ultrasound flowmeter for measuring blood flow in arteries or veins.
- Useful for diagnosing intermittent claudication, deep vein obstructions, and peripheral vascular disease (PVD).
- May require a Doppler device to assess pulses in cases of PVD, low blood pressure, edema, or significant subcutaneous tissue.
- Record pulse findings as present or absent, avoiding numeric scaling.
- Nurses often mark skin areas with a pulse detected for accuracy in follow-up assessments.
-
Phlebography / Venography
- Considered the gold standard for evaluating deep leg veins and diagnosing deep vein thrombosis (DVT).
- Involves administering a contrast medium via a catheter in a foot vein followed by radiographic imaging to identify filling defects.
-
Fibrinogen Uptake Test
- Accurate method for detecting acute calf vein thrombosis.
- Measures fibrinogen levels at clot sites; fibrinogen tagged with iodine 125 and administered intravenously is detected by a gamma ray detector.
-
Angiography
- Involves intravenous injection of a contrast medium to visualize arteries through radiography.
-
D-Dimer Test
- Measures D-dimer, a fibrin degradation product, in serum to indicate thrombus presence.
- Elevated D-dimer levels are typically associated with thrombus formation.
-
Digital Subtraction Angiography (DSA)
- Involves administering an intravenous contrast solution that enables visualization of blood vessels in extremities through radiographic techniques using an image intensifier and monitor.
Non-Invasive Procedures
-
Treadmill Test
- Assesses blood flow in extremities post-exercise.
- Identifies exercise-related pain, such as claudication.
-
Plethysmography
- Measures changes in blood volume in calf veins or other extremities using a plethysmograph.
-
Doppler Ultrasound
- Utilizes a Doppler ultrasound flowmeter for measuring blood flow in arteries or veins.
- Useful for diagnosing intermittent claudication, deep vein obstructions, and peripheral vascular disease (PVD).
- May require a Doppler device to assess pulses in cases of PVD, low blood pressure, edema, or significant subcutaneous tissue.
- Record pulse findings as present or absent, avoiding numeric scaling.
- Nurses often mark skin areas with a pulse detected for accuracy in follow-up assessments.
-
Phlebography / Venography
- Considered the gold standard for evaluating deep leg veins and diagnosing deep vein thrombosis (DVT).
- Involves administering a contrast medium via a catheter in a foot vein followed by radiographic imaging to identify filling defects.
-
Fibrinogen Uptake Test
- Accurate method for detecting acute calf vein thrombosis.
- Measures fibrinogen levels at clot sites; fibrinogen tagged with iodine 125 and administered intravenously is detected by a gamma ray detector.
-
Angiography
- Involves intravenous injection of a contrast medium to visualize arteries through radiography.
-
D-Dimer Test
- Measures D-dimer, a fibrin degradation product, in serum to indicate thrombus presence.
- Elevated D-dimer levels are typically associated with thrombus formation.
-
Digital Subtraction Angiography (DSA)
- Involves administering an intravenous contrast solution that enables visualization of blood vessels in extremities through radiographic techniques using an image intensifier and monitor.
Digital Subtraction Angiography (DSA)
- Involves administration of intravenous (IV) contrast solution to enhance visualization of blood vessels.
- Primarily used to visualize blood vessels in extremities for diagnostic imaging.
- Employs radiographic techniques alongside an image intensifier video system for improved image clarity.
- Outputs are displayed on a television monitor, facilitating real-time monitoring of blood vessels.
- Essential for identifying blockages, malformations, or other vascular conditions.
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