Flashcards in Hemo Final Deck (102):
The anterior cerebral artery (ACA) is normally evaluated from the _________.
Pulsed Doppler transducer IS/IS NOT a limitation of a TCD examination.
During color doppler transcranial imaging, the middle cerebral artery (MCA) runs parallel to the _________.
The large terminal branch of the internal carotid artery is ______.
Middle cerebral artery.
________ transducer is used for TCD imaging examinations.
Pulsed wave doppler
A ____-degree angle is assumed when performing TCD imaging examinations.
Patients complaining of intermittent claudication will have an ankle-brachial index (ABI) of ____.
To obtain arterial doppler signals during arterial color doppler imaging, using a ____ imaging plane is best.
During arterial duplex imaging, doppler signals are obtained using a ___-degree angle.
The profunda femoris artery lies _____ to the superficial femoral artery (SFA).
Posterior and lateral
Ankle pressures that fall after exercise and return to baseline in 5 minutes suggest
Single-segment occlusive disease
Most patients describe claudication as
cramping of the leg muscles
An ultrasound characteristic of the internal carotid artery (ICA) includes
Low-resistance doppler signal
Noise caused by tissue vibration produced by turbulent flow is
An abnormal shape of the spectral doppler waveform from the ICA suggests
Proximal or distal disease or occlusion
Approximately _____ strokes occur each year in the United States.
A warning sign of a stroke is _______.
Temporary blindness in one eye.
A potentially lethal complication of acute DVT is _______.
The gastroduodenal artery is a branch of the ____.
Common hepatic artery
The normal diameter of the aorta is less than _____.
The duodenum and parts of the stomach are supplied by the _______.
The arterial supply to the gallbladder is via the ____.
Renal arteries branch from the lateral wall of the aorta _____.
Inferior to the SMA
Recess of the oblique sinus is used to separate _____ from _____.
Pericardial fluid from pleural effusion
The medial wall of the right atrium contains ________.
Two pulmonary veins enter posteriorly in the ______.
The forceful contraction of the cardiac chamber is _____, and the relaxed phase of the cycle is _____.
Systole ; diastole
The superior vena cava (SVC) enters the right atrium _____.
The mitral valve separates _____ & ______.
Left atrium and left ventricle
The carotid body assists in regulating _____, _____, & _______.
Placement of the doppler sample volume should be parallel to _______.
Normal vertebral arteries are _____.
An ultrasound finding of the doppler signal from an external carotid artery (ECA) is _____.
The most commonly visualized branch of the ECA is _______.
A difference of greater than 20 mm Hg pressure between arms suggests _______.
Disease of the subclavian artery
Blood flow in the MCA is normally _____.
Towards the transducer
When performing a transcranial color doppler (TCD) imaging examination, the best results are obtained using a ____ transducer.
Suboccipital windows are used to evaluate the _______ system.
_______ are used to evaluate the vertebrobasilar system.
A low hematocrit (less than 30%) is associated with ________.
Increased intracranial arterial velocities
Angle correction of the doppler signal is not necessary during a lower extremity venous duplex examination because ______.
Peak-venous velocity does not provide any clinical information in lower extremity duplex imaging.
Side-to-side differences that occur during a TCD imaging examination should be considered with normal limits if they are ____.
Less than 25%
Venous valves are not observed in _____.
The presence of an incomplete venous segment is determined by ________.
Venous reflux greater than 1 second
A pulsatile venous signal is not normal in _____.
Signs and symptoms of acute DVT does not include
Palpable subcutaneous cord
The common femoral vein lies _____.
In the Scarpa canal
The base of the heart is formed by the _____.
The greatest muscle mass in the heart is found in the _____.
Blood is prevented from flowing backward into the left ventricle from the aorta by ______.
_____ initiates the normal cardiac impulse.
The ABI on the left side is ____.
.97 mm Hg
The right border of the heart is formed by the _____.
The posterior cerebral artery wraps around the _____.
Intracranial arterial velocities _____ with ____age.
Decrease with increasing age
Most users report _____ velocities during TCD examinations.
The union of the two vertebral arteries forms _______.
The most common cause of abdominal aneurysms is ______.
The IVC courses anteriorly to enter the _____.
The most common tumor to fill the IVC is _____.
Renal cell carcinoma
The vessel that arises from the anterior aortic wall and takes a parallel course to the aorta is the ____.
Superior mesenteric artery
The clinical signs of leg edema, low back pain, pelvic pain, gastrointestinal complains, and renal and liver problems may represent:
_____ is difficult to compress during duplex imaging.
The basilic vein is a _____ vein of the ______.
Superficial vein of the upper extremity
Three factors of the Virchow triad are ___, _____, and ____.
The superficial femoral vein is a ______.
To obtain venous doppler signals during venous duplex imaging, using a(n) _______ plane is best.
Longitudinal imaging plane
The characteristics of a normal doppler signal obtained during lower-extremity arterial imaging does not include ______.
Exercise testing of the lower-extremity arterial system is performed on a treadmill at a speed of _______.
1.5 - 2 mph
A toe pressure is considered normal if it is ___.
50 mm Hg
A difference in pressures greater than 20 mm Hg between arms usually indicates _______.
Disease of subclavian.
Perforating veins connect the _______ and _______ systems.
Superficial and deep venous systems.
Blood flow in the perforating veins is normally from the ______ system to the ____ system.
Superficial system to the deep system.
The longest vein in the body is ______.
Risk factors of deep-vein thrombosis (DVT) does not include_______.
The right renal artery passes ____ to the IVC.
The portal venous system does not receive blood from _____.
Superior mesenteric artery is used as a landmark in locating the _____.
The compression technique is not used for _____.
The left renal vein courses between the _____ and the _____.
Aorta & the SMA
Budd-Chiari syndrome demonstrates thrombosis of the ______.
Exercise testing of the lower-extremity arterial system is performed on a treadmill on a ______ grade.
10% - 12%
The major branches off the popliteal artery are the ____ and ____.
Sural and genicular arteries
In non-diabetic patients, ischemic skin lesions are not likely to heal if ankle systolic pressure is below ____.
55 mm Hg
A normal pulse volume waveform contains a(n):
Blood pressure cuffs should have a width ____% greater than the diameter of the limb.
The second main branch of the aortic arch is _____.
Left common carotid
In patients with lower trunk and leg edema and a dilated IVC, a(N) _____ should be suspected.
The portal veins carry blood from the _____ to the ____.
Intestinal tract to the liver
Transient partial or complete loss of vision is known as ____.
A normal flow disturbance along the posterior wall of the bulb is _______.
Boundary layer separation
Defects in the valves may cause turbulence or regurgitation on auscultation, which is called ______.
Approximately ___ BPM is the normal adult heart rate.
The right and left coronary arteries arise from the _____.
The left iliac vein is usually compressed by ____.
Right iliac artery
A characteristic of a subclavian steal is:
Reversal of blood flow in the vertebral artery
Transient ischemic attack lasts
less than 24 hour phases
Reduced diastolic blood flow pattern IS/IS NOT an ultrasound finding of an ICA occlusion.
The innominate artery divides into the _____ and the ______.
Right common carotid and right subclavian arteries
The pericardial sac protects the heart against _____.
The apex of the heart is formed by the _____.