2,345 results found
Article
60/60 sign (echocardiography)
The 60/60 sign in echocardiography refers to the coexistence of a truncated right ventricular outflow tract acceleration time (AT <60 ms) with a pulmonary arterial systolic pressure (PASP) of less than 60 mmHg (but more than 30 mmHg). In the presence of right ventricular failure, it is consisten...
Case
Aberrant left main coronary artery (ALMCA) arising from the right sinus with interarterial course
Published
21 Sep 2018
95% complete
CT
Case
Aberrant left pulmonary artery - pulmonary sling
Published
16 Jan 2016
95% complete
Annotated image
CT
Case
Aberrant left subclavian artery with diverticulum of Kommerell
Published
03 Feb 2024
92% complete
CT
Case
Aberrant pulmonary artery- pulmonary sling
Published
02 Jul 2023
95% complete
CT
Case
Aberrant right subclavian and left vertebral arteries
Published
11 Mar 2017
98% complete
CT
Case
Aberrant right subclavian artery
Published
13 Aug 2016
98% complete
CT
X-ray
Case
Aberrant right subclavian artery
Published
10 Oct 2013
74% complete
CT
Case
Aberrant right subclavian artery
Published
04 Feb 2016
92% complete
CT
Case
Aberrant right subclavian artery
Published
02 Jul 2023
79% complete
X-ray
Annotated image
Fluoroscopy
Case
Aberrant right subclavian artery
Published
26 Jul 2022
92% complete
CT
Case
Aberrant right subcvlavian artery - MR angiography
Published
08 May 2011
80% complete
MRI
Case
Absent ductus venosus, tricuspid regurgitation, cardiomegaly, chorioangioma
Published
26 May 2015
94% complete
Ultrasound
Article
Absent pulmonary valve syndrome
Absent pulmonary valve syndrome (APVS) also known as congenital absence of pulmonary valve or pulmonary valve agenesis is a rare cardiac outflow tract anomaly.
Pathology
It is characterized by a completely absent or rudimentary pulmonary valve. It can be associated with aneurysmal dilatation ...
Article
ACC/AHA classification of coronary lesions
ACC/AHA classification of coronary lesions is a system used to classify coronary arterial calcific plaque burden. It is classified as
type A
discrete (<10 mm)
concentric
nonangulated segment <45º
smooth contour
little or no calcification
less than totally occlusive
not ostial in locatio...
Article
Accessory left atrial appendage
An accessory left atrial appendage is a frequent fortuitous finding in cardiac imaging, encountered in ~10% of patients. They are more often seen as a small diverticular structure projecting from the right upper side of the left atrial wall.
Differential diagnosis
it must not be confused with ...
Case
Accessory left atrial appendage
Published
13 Sep 2020
90% complete
Annotated image
CT
Article
Ace-of-spades sign (heart)
Ace-of-spades sign refers to the pathognomonic configuration of the left ventricle as seen in apical hypertrophic cardiomyopathy 1-3.
It consists of marked ventricular wall thickening at the apex resulting in cavity narrowing at the apex with a relatively normal appearance of the mid-ventricula...
Case
Active right ventricular cardiac sarcoidosis
Published
21 Sep 2017
95% complete
CT
Annotated image
MRI
Article
Acute abdominal pain
Acute abdominal pain is a common acute presentation in clinical practice. It encompasses a very broad range of possible etiologies and diagnoses, and imaging is routinely employed as the primary investigative tool in its modern management.
Terminology
A subgroup of patients with acute abdomina...
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