Articles
Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.
8 results found
Article
Cardiac CT (prospective high-pitch acquisition)
The prospective ECG-gated high-pitch dual-source CT cardiac angiogram is a high pitch helical acquisition of the heart that is able to capture a single phase of the cardiac cycle, a dual-source scanner is required to perform it. Although this is the CT cardiac angiogram with the lowest dose it a...
Article
Cardiac imaging planes
Cardiac imaging planes are standard orientations for displaying the heart on MRI, CT, SPECT, and PET, similar to those used in echocardiography. The planes are defined in reference to the long axis of the left ventricle, which is the line that connects the ventricular apex to the center of the m...
Article
Cardiac iron overload protocol (MRI)
The cardiac MRI iron overload protocol encompasses a set of different MRI sequences for the cardiac assessment in case of suspected iron overload cardiomyopathy.
Note: This article aims to frame a general concept of a cardiac MRI protocol in the above setting.
Protocol specifics will vary dep...
Article
Cine imaging (MRI)
Cine imaging, a.k.a. cine sequences or cine MRI, are a type of MRI sequence acquired to capture motion.
Imaging technique
Cine images are obtained by repeatedly imaging the area of interest for a certain time typically within a single slice, although 3D solutions already exist 3.
For the hear...
Article
Normal chest imaging examples
This article lists examples of normal imaging of the chest and surrounding structures, divided by modality.
Plain radiographs
Adult examples
chest radiograph
PA adult male
example 1
example 2: with inverted windows
example 3
PA adult female
example 1
example 2
example 3: with labels
...
Article
Tc-99m sestamibi
Tc-99m sestamibi (sestamibi is a shortening of sesta-methoxyisobutylisonitrile) is one of the technetium radiopharmaceuticals.
Characteristics
photon energy: 140 KeV
physical half-life: 6 hours
lipophilic cation
normal distribution: thyroid, parathyroid, heart (myocardium)
excretion: hepat...
Article
Transesophageal echocardiography
A standard transesophageal echocardiography (TOE, or TEE in US English) is a type of ultrasound using an endoscopic transducer, which is advanced into the esophagus, offering generally superior visualization of the great vessels and posterior cardiac structures than the standard transthoracic ap...
Article
Triple-rule-out CT
Triple-rule-out CT (TRO CT) angiography may be ordered in the setting of acute chest pain to examine the thoracic aorta and the coronary and pulmonary arteries. The protocol helps exclude life-threatening causes of acute chest pain, especially if atypical, or if alternative causes to acute coron...
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