Chapter 26 TESTING CONSIDERATIONS FOR NONINVASIVE VENOUS TESTING Flashcards
What are some examples of pertinent clinical history?
- past studies
- past procedure
Physical examinations findings
1.swelling
2. redness
3. warmth
What are laboratory findings?
blood work
What is the degree of tension in vein walls?
Venomotor tone
A sonographer is responsible for knowing?
- laboratory protocols/standards
- study capabilities
- Study limitations
- correct patient positioning
- Correct technique
- correct interpretation
What does an IAC must have?
- uniform diagnostic criteria
- interpret all data obtained
What are common findings for a DVT?
- swelling
- Pain
- Redness
- Erythema
- Warmth
What does the Wells Score determine?
The likelihood of an acute DVT
What are some other conditions that mimic DVT’s?
- muscle strain
- direct injury to the leg
- muscle tear
4.Bakers cyst - Cellulitis
- Lymphangitis
- Heart Failure
- Extrinsic compression
- Compilations of the chronic venous insufficiency
- Adventitial cystic disease
What are the symptoms of Chronic Venous Thrombosis?
- swelling
- Erythema
- Heaviness/aching
- Discoloration of ulcerations
- varicosities
What is Virchow’s Triad
Trauma to the vessel
What are the three conditions of Virchow’s Triad
1.Stasis
2. Vessel Wall injury
3. hypercoagulability
What does intrinsic trauma entail?
- intravenous drugs
- catheter
- Central venous catheter
Extrinsic trauma is a result of what?
an accident
Venous stasis can be a result of what?
- Bed rest
- myocardial infarction
- congestive heart failure
- hypotension
- chronic obstructive pulmonary disease
- obesity
- pregnancy
- Previous DVT
- Extrinsic compression
Hypercoagulability is a result of what?
- Pregnancy
- Cancer
- Oral contraceptives
- hormone replacement therapy
- inherited states
Where does thrombosis like to form?
Valve cusps/ soleal sinuses
What is Paget-Schroetter syndrome?
Thrombosis of SCV/Axillary Vein due to intense repetitive activity.