Download CCI RVS Exam Review| Questions and Verified Answers| 100% Correct- A Grade (New 2024/ 2025 and more Exams Nursing in PDF only on Docsity! CCI RVS Exam Review| Questions and Verified Answers| 100% Correct- A Grade (New 2024/ 2025 Update) QUESTION A varicose vein is most often: Answer: A dilation of the greater saphenous vein or superficial tributary. QUESTION A bakers cyst is a collection of: Answer: Synovial fluid from the knee joint QUESTION 2 weeks after the fractur of the femur a 33 year old female is seen for swelling of the calf of the same leg. The preliminary diagnosis, prior to any performance noninvasive testing should include: Answer: DVT & Popliteal entrapment (2 of the above) QUESTION Patients suspected of having venous disease may complain of pain that is: Answer: relieved by elevation QUESTION Edema caused by DVT is characterized by: Answer: Swelling in the ankles and legs but not the feet. (Usually swelling is not found in the feet in venous disease. ) QUESTION A patient with chronic venous insufficiency complains of sudden onset of edema and pain in the affected leg, this maybe related to: Answer: reoccurrence of acute DVT QUESTION Patients with a swollen limb who have just returned from a country where filariasis is endemic may be suspecting: Answer: lymphedema Filariasis is a nematoad that takes up residence in the lymph system and can cause lymphedema. This would be a somewhat obscure differential diagnosis for deep venous thrombosis. QUESTION lower extremity ulcers are overwhelmingly the result of: Answer: venous disease QUESTION The examiner listens w/ CW Doppler to the superficial femoral vein at mid thigh and performs a calf compression. The compression maneuver augments the signal. This finding suggests: Answer: This is a normal finding QUESTION Of the following techniques, which would be the least effective in detecting significant DVT: Photoplethysmography Duplex Ultra sound Impedance plethysmography Strain gauge plethysmography Answer: Photoplethysmography QUESTION A Vascular maneuver Answer: Slows down of stops venous flow everywhere in the body QUESTION Which of the following is NOT one of the commonly assessed characteristics of CW venous doppler? Spontaneity Gaiety Augmentation Competence Phaticity Answer: Gaiety QUESTION The optimal patient position for imaging of the lower extremity veins is: Answer: Semi fowlers position and reverse Trendelenburgs position QUESTION The examiner scans the femoral veins and notes a very small venous lumen, with bright, thickened venous walls along most of the thigh, these finding suggest: Answer: Chronic thrombosis QUESTION The examiner scans a patient with pain and swelling in the calf. A large, dark area is noted in the medical popliteal space, and no vascular communication to it is found. This most likely represents: Answer: Bakers cyst QUESTION Pulsatile lower extremity venous doppler signals would be associated with: Answer: Congestive heart failure QUESTION Continuous wave doppler assessments of the posterior tibial level reveals nonspontaneous flow that augments with foot compression. This finding: Answer: Is within normal normal limits in a cold patient QUESTION Contrast venography is: Answer: invasive - very sensitive and specific test, some hazard, diagnostic w/ suspected DVT QUESTION The venous puncture for introducing contrast in venography to asses for deep venous thrombosis is done at what level? Answer: Dorsal vein on the foot QUESTION The "gold standard" test for pulmonary embolus, though it carries its own risk for compromised patients is: Answer: Pulmonary angiography QUESTION The drug heparin: Answer: Can cause thrombocytopenia (diminished blood platelet count) - its a protein so it can activate antibodies in sensitive Pts, has significant complication rate and can produce (diminished blood platelet count) QUESTION Common signs of advanced arterial insufficiency of the lower extremity include which of the following? Loss of hair growth over the dorsum of the toes and feet Thickening of toenails Dermatitis with skin pigmentation Dependent rubor Answer: Loss of hair growth over the dorsum of the toes and feet Thickening of toenails Dependent rubor QUESTION Match the following symptoms and signs with the likely cause: A. Bruit 1. Aortoiliac + SFA occlusion B. Absent pulse 2. Deep venous thrombosis C. Foot rubor 3. Subclavian artery occlusion D. Right side weakness 4. Left carotid artery occlusion E. Edema 5. Iliac artery stenosis Answer: A. Bruit 5. Iliac artery stenosis B. Absent pulse 3. Subclavian artery occlusion C. Foot rubor 1. Aortoiliac + SFA occlusion D. Right side weakness 4. Left carotid artery occlusion E. Edema 2. Deep venous thrombosis QUESTION Patients presenting with symptoms of claudication complain of: Answer: Cramping pain in calf, thigh, or buttocks w/ exercise and relieved by rest QUESTION Patients found to have ulcerating lesions or gangrene may have which of the following diseases? Arterial insufficiency Neuropathy Vasospasm Venous disease All of the above Answer: All of the above QUESTION Patients w/ advanced peripheral arterial vascular occlusive disease exhibit which of the following skin changes? Shiny, Scaly skin Dependent rubor Pallor elevation Stasis pigmentation All except D Answer: All except D QUESTION A pulsatile mass in the groin after catheterization of a cardiac patient most likely will be: Answer: A false aneurysm of the femoral vein QUESTION Rest pain is characterized by: Answer: Pain at night in the forefoot or foot that may go away w/ leg dependency - nocturnal forefoot pain relieved by dependency or exercise common complaint QUESTION A vibration noted while palpating pulses is called: Answer: A thrill QUESTION Rubor is defined as: Answer: Red skin color. (examples are the cherry-red color of digits in a Raynaud's patient when the digital arteries reopen after prolonged spasm, or the bright red foot in dependency after elevation in a patient with advanced arterial occlusive disease.) QUESTION Delayed return of the capillary blush after pressure on the pulp of the digit is a sign of: Answer: Advanced ischemia QUESTION The splenic common hepatic and left gastric arteries arise from this abdominal artery: Answer: Celiac Trunk QUESTION The smallest vessels in the body are: Answer: capillaries Answer: transient ischemic attack QUESTION Subclavian steal occurs: Answer: more often on the left side QUESTION Why are brachial blood pressures obtained bilaterally when evaluating a patient for cerebrovascular disease? Answer: The brachial blood pressures are compared to see if they are equal. QUESTION Lose of the spectral window with pulsed Doppler ultrasound occurs with: Answer: Flow Turbulence QUESTION A duplex image of the carotid bifurcation that demonstrates a goblet-like configuration of the internal and external branches curving around a highly vascularized mass suggests: Answer: Carotid Body Tumor QUESTION TCD findings consistent with vasospasm following subarachnoid hemorrhage would include Answer: Greatly increased mean velocities in the middle cerebral arteries QUESTION In TCD the normal direction of flow in the Vertebral artery is: Answer: Away from the beam QUESTION The usual instrumentation for hand held TCD includes a probe with a operating frequency of: Answer: 2 MHz QUESTION Which of the following would alter the frequency shift of the internal carotid artery Doppler signal: Answer: Tapering of the vessel from the bulb to the distal visualized segment and Increasing the transmitted frequency. QUESTION In TCD the normal direction of flow in the middle cerebral artery is: Answer: Towards the beam. QUESTION The TCD window used for assessing the middle cerebral artery is? Answer: Temporal window QUESTION An arterial stenosis that is 80% by diameter reduction corresponds to a cross-sectional area reduction of: Answer: * A. 96% B. 88% C. 70% D. 60% E.45% This dramatizes the very severe loss of cross sectional area available for flow in a severe stenosis. QUESTION A vascular lab calls a stenosis 60-70% by diameter based on its Duplex assessment, but in angiography the next day calls it 90% by diameter, possible reason for this discrepancy might include all except: Answer: A. The stenosis is long and smooth, changing its doppler character compared to that of a shorter lesion. B. Only 1 plain of visualizing was used for angiography. C. Poor angle correction with the duplex, creating artificially low velocity estimates. D. Acoustic shadowing prevented doppler assessment of the maximal narrowing. * E. Color flow PRF set to low creating aliasing and over estimation of velocities. A pulsatility index is defined as: Answer: Peak systolic to peak diastolic velocity divided by the mean velocity (Goslings pulsatility index) QUESTION Which one of the following conditions will cause an increase in the pulse amplitude of the arterial pressure wave? An increase in peripheral resistance A decrease in left ventricular function Vasodilation secondary to heating Young age Mild atherosclerosis Answer: An increase in peripheral resistance QUESTION Ankle/arm indices in claudicating patients are usually Answer: In range 0.5-0.9 QUESTION When assessing a digital artery with doppler, patency of the palmar arch can be determined by: Answer: Alternately compressing the radial and ulnar arteries while listening for changes in the digital artery signal QUESTION An analog Doppler waveform of the Subclavian or Axillary artery in a normal individual would typically resemble: Answer: A common femoral or superficial femoral artery waveform QUESTION Diastolic reversal of flow is most likely in: Answer: Extremity arteries at rest. QUESTION A 28 year old male complains of exercise induced cramping of the right calf that occurs after walking six blocks and is relieved within 5 minutes of rest. Bounding pedal pulses are noted and resting ankle pressures are normal. The symptoms are reproduced with exercise. The ankle pressure remains normal on the left but drops to 40 mmHg on the right. These signs are consistent with: Answer: Popliteal entrapment QUESTION All of the following devices, utilized in a standard fashion, can measure ankle pressures EXCEPT: Doppler ultrasound B-mode ultrasound Strain gauge plethysmography Photocell plethysmography Air Plethysmography Answer: B-mode ultrasound QUESTION Protocols for cardiac treadmill testing & claudication treadmill testing differ, the major difference being: Answer: Speed is varied during cardiac testing QUESTION Your segmental pressure readings indicate the following: Rt. brachial: 144 mmHg Lt. brachial: 140 Rt. high thigh: 110 Lt. high thigh: 164\ These findings could result from all EXCEPT: Aortic obstruction Right common iliac obstruction Right external iliac obstruction Right common femoral obstruction Right proximal superficial femoral obstruction Answer: Aortic obstruction QUESTION Normal diameter of the abdominal aorta is: Answer: 2-3cm QUESTION A patient with a history of rest pain, 100 foot calf and thigh claudication, and an ulcer on the great toe of the left foot has a left ankle pressure of >300mmHg. This result is: Answer: Erroneous due to probable arterial calcification With severe lower extremity arterial occlusive disease, the Doppler waveforms distally: Answer: Will appear markedly dampened, possibly making interpretation difficult for distal markings QUESTION The usual cuff pressure used in arterial volume recording is: Answer: 65 mmHg QUESTION Distal to an aortoiliac occlusion, the common femoral artery signal is typically: Answer: Low pitched and monophasic QUESTION Diastolic flow reversal: Answer: May be absent in vasodilated limbs QUESTION Audible Doppler venous signals typically are low-frequency and vary with respiration, whereas normal arterial signals in the legs and arms are: Answer: Relatively high frequency with pulsatile components QUESTION Little or no increase of blood flow velocity in response to postocclusive reactive hyperemia (PORH), using an inflated thigh cuff, would most likely indicate: Answer: Significant obstructive disease QUESTION In a patient who wakes up at night with pain in the foot and has to drop the foot by the side of the bed, the ankle/ arm systolic pressure ratio will most likely be: Answer: Less than 0.50 QUESTION While monitoring a femorodistal bypass graft using duplex ultrasonography, the graft may be at risk of failure if: Answer: The graft velocity has dropped from 70cm/sec, as measured 6 months earlier, to 30 cm/sec QUESTION Systolic thigh pressures are 180mmHg both lower extremities; the systolic arm pressure is 170mmHg on the right and 160mmHg on the left. The patient complains of buttock claudication. Answer: The patient may have aortoiliac occlusive disease QUESTION A PTFE graft can be identified during ultrasonographic imaging by Answer: A double line appearance of the graft walls QUESTION The volume flow rate in a reversed saphenous vein bypass graft should be: Answer: The same throughout the graft QUESTION A damped doppler velocity waveform of the subclavian artery isolates a significant lesion: Answer: Proximal to the point of insonation QUESTION Which set of waveforms is most likely to be obtained with a continuous-wave Doppler when there is a long superficial femoral artery occlusion? Answer: Triphasic waveforms at the common femoral and proximal superficial femoral arteries with monophasic waveforms in the popliteal and tribal arteries QUESTION Match the symptoms w/ the likely ankle/arm index: 1. Claudication a. ABI > 1.30 2. Rest Pain b. ABI bet. 1.00 - 1.30 c. ABI bet 0.5 - 0.90 d. ABI < 0.50 Answer: 1 - C 2 - D <10% QUESTION The most effective lytic treatment for acute arterial thrombosis is: Answer: Urokinase or streptokinase QUESTION You are preforming a doppler exam on a patient with suspected renovascular hypertension. Which diagnostic parameter is the best indicator of renovascular disease? Pulsatility index A/B ratio Renal/aortic ratio Systolic/diastolic ratio Answer: Renal/aortic ratio QUESTION What is the most common location of atherosclerotic disease of the renal artery? Answer: Proximal QUESTION In a patient with portal hypertension, the most likely result of increased portal venous pressure would be: Answer: Enlarged coronary vein QUESTION in the United States the most common cause of portal hypertension is Answer: Cirrhosis QUESTION To evaluate blood flow within the splanchnic arteries, you should examine the following vessels: Answer: Celiac artery, superior mesenteric artery, inferior mesenteric artery QUESTION The patient with advanced chronic mesenteric ischemia is most likely to be: Answer: Malnourished QUESTION A common manifestation of portal hypertension is: Answer: Bleeding esophageal varices QUESTION Noninvasive diagnosis of RENAL ARTERY stenosis: Answer: Requires a duplex system with spectral signal analysis QUESTION Normal arterial waveforms in the renal hilum: Answer: Are LOW resistance in character, much diastolic flow QUESTION With inspiration, a Doppler signal from the subclavian vein will usually: Answer: Augment QUESTION A normal spectral waveform from the hepatic veins is: Answer: Bidirectional QUESTION Normal flow in the hepatic vein is Answer: Hepatopetal QUESTION Which vessel would be imaged in a patient referred to rule out Budd-Chiari syndrome? Answer: Hepatic vein Positive predictive value = 94.3% Negative predictive value = 80.7% Answer: 85% Overall accuracy must fall between sensitivity/specificity and positive/negative predictive values QUESTION The calculation the has as its denominator the total number of normal noninvasive tests is: Answer: Negative predictive values QUESTION In kappa statistics, if there is no relationship between the two variables being compared, the kappa value is: Answer: Zero QUESTION Your patient begins to fall while getting off the examination table. What should you do? Answer: Guide the fall, protecting their head QUESTION overall accuracy denominator: Answer: The total number of tests performed (all four boxes in the 2x2 table) QUESTION Specificity denominator Answer: all those without the condition regardless of whether they were identified correctly (True negatives + False positives, a sum that always equals the number of negative gold standard results) QUESTION Sensitivity denominator Answer: all those with the condition regardless of whether they were identified correctly (True positives + False negatives, a sum that always equals the number of positive gold standard results) QUESTION positive predictive value denominator Answer: The total number of abnormal non invasive studies, whether true or not (True positives+ False positives) QUESTION Negative predictive denominator Answer: The total number of negative noninvasive studies (True negatives + False negatives) QUESTION The vascular disease that presents as back, abdominal, or flank pain is: Answer: Abdominal aortic aneurysm QUESTION The circle of Willis receives its blood supply from which combination of arteries? Answer: Carotid and Vertebral arteries QUESTION 2 of the major branches of the External Carotid arteries include the: Answer: Superficial Temporal and Facial arteries QUESTION What is the most common anomaly of the Circle of Willis Answer: Absence or Hypoplasia of 1 or both of the communicating arteries. QUESTION The Brachial veins connect the: Answer: Ulnar and radial veins to the axillary vein QUESTION