2,364 results found
Article
Retroaortic anomalous coronary sign (echocardiography)
The retroaortic anomalous coronary (RAC) sign describes the sonographic appearance of an anomalous left coronary artery traveling posteriorly to the aortic root. It is most commonly observed with anomalous origin of the left circumflex artery from the right sinus of Valsalva, but is also describ...
Article
Retroaortic coronary course
A retroaortic course refers to a coronary artery taking its route posteriorly between the non-coronary sinus and the interatrial septum and is considered a ‘benign anomalous course’.
Epidemiology
Associations
Clinical conditions associated with a retroaortic course of a coronary artery includ...
Case
Cardiac tamponade
Published
24 Feb 2022
74% complete
CT
Case
Pulmonary embolism
Published
19 Apr 2011
95% complete
CT
Case
Scimitar syndrome
Published
10 May 2013
74% complete
X-ray
CT
Article
Medical devices in the thorax
Medical devices in the thorax are regularly observed by radiologists when reviewing radiographs and CT scans.
Extrathoracic devices
tubing, clamps, syringes, scissors, lying on or under the patient
rubber sheets, foam mattresses, clothing, hair braids, nipple piercings, etc., may also be visi...
Article
Myocardial fibrosis
Myocardial fibrosis refers to an increase in collagen volume within the extracellular interstitium of the myocardium 1-3.
Clinical presentation
Myocardial fibrosis leads to diastolic and or systolic dysfunction and patients can present with symptoms associated with cardiac insufficiency arrhyt...
Case
Pulmonary embolism
Published
06 Nov 2014
92% complete
CT
Article
Great vessels
The great vessels is the collective term given to the major arteries and veins that convey blood to and away from the heart:
aorta
pulmonary artery
pulmonary veins
superior vena cava
inferior vena cava
The branches and tributaries of these named vessels are not great vessels, e.g. brachioc...
Case
Pediatric sickle cell anemia
Published
27 Jan 2023
97% complete
X-ray
Article
Aortic valve stenosis
Aortic valve stenosis is the most common valvulopathy and describes narrowing of the opening of the aortic valve between the aorta and the left ventricle.
Epidemiology
Aortic stenosis is the most common valvulopathy, present in up to one-quarter of all patients with chronic valvular heart dise...
Case
Perimembranous ventricular septal defect
Published
03 Oct 2012
44% complete
X-ray
Case
Heart VHP
Published
12 Jan 2022
25% complete
Photo
Case
Epicardial pacing wires
Published
22 Apr 2011
75% complete
X-ray
Case
Incorrect peripherally inserted central catheter position
Published
27 Jun 2020
91% complete
X-ray
Article
Upper lobe pulmonary venous diversion
Upper lobe pulmonary venous diversion (also described as cephalisation of the pulmonary veins) reflects elevation of left atrial pressure and is an early sign of pulmonary edema.
Clinical presentation
The normal left atrial pressure is 5-10 mmHg. An elevation of left atrial pressure to 10-15 m...
Case
Cardiac arrest (CT)
Published
30 May 2022
95% complete
CT
Case
Intracardiac thrombi - left ventricle and atrium
Published
27 Feb 2012
95% complete
CT
Article
Endomyocardial fibrosis
Endomyocardial fibrosis (EMF) is an idiopathic disorder characterized by the development of restrictive cardiomyopathy.
Epidemiology
It usually occurs in tropical and subtropical regions of the world. There may be a greater predilection in children and adolescents.
Pathology
The pathogenesi...
Article
Klebsiella
Klebsiella is a genus of Gram-negative, oxidase-negative, rod-shaped bacteria, which is relatively commonly encountered in the healthcare environment. It has numerous species, including K. pneumoniae, K. aerogenes, and K. rhinoscleromatis 1. Klebsiella may cause a range of infections, most commo...
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