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.

13 results found
Article

Acute coronary syndrome

Acute coronary syndrome (ACS) is a group of cardiac diagnoses along a spectrum of severity due to the interruption of coronary blood flow to the myocardium, which in decreasing severity are: ST elevation myocardial infarction (STEMI) non-ST elevation myocardial infarction (non-STEMI) unstable...
Article

Agatston score

Agatston score is a semi-automated tool to calculate a score based on the extent of coronary artery calcification detected by an unenhanced low-dose CT scan which is routinely performed in patients undergoing cardiac CT. Due to an extensive body of research, it allows for an early risk stratific...
Article

Arrhythmogenic right ventricular cardiomyopathy diagnostic criteria

For the diagnosis of arrhythmogenic right ventricular cardiomyopathy to be made patients must have either two major criteria, one major and two minor criteria, or four minor criteria. Major criteria global or regional dysfunction and structural alterations: severe dilatation of the right vent...
Article

Cardiomyopathy

Cardiomyopathy is defined as a "disease of the myocardium with associated cardiac dysfunction" 1. It has been classified according to several systems: 1995 WHO/ISFC cardiomyopathy classification system Elliott et al classification system: published by the European Society of Cardiology Working...
Article

Cardiomyopathy (WHO/ISFC 1995 classification)

Cardiomyopathy classification separates the various cardiomyopathies into several subtypes. A cardiomyopathy is defined as a "disease of the myocardium with associated cardiac dysfunction". It was initially classified according to the 1995 World Health Organisation / International Society and F...
Article

Conotruncal cardiac anomalies

Conotruncal heart defects are a group of congenital cardiovascular anomalies. They are a leading cause symptomatic cyanotic cardiac disease diagnosed in utero. Epidemiology They may account for up to a fifth of all congenital cardiac anomalies diagnosed prenatally 2. Clinical presentation Du...
Article

Coronary Artery Disease - Reporting and Data System

Coronary Artery Disease - Reporting and Data System (CAD-RADSTM) classification is proposed by the Society for Cardiovascular Computed Tomography (SCCT), the American College of Radiology (ACR), and the North American Society for Cardiovascular Imaging (NASCI), last updated in 2016. This recomm...
Article

Cyanotic congenital heart disease

A number of entities can present as cyanotic congenital heart disease. These can be divided into those with increased or decreased pulmonary vascularity (pulmonary plethora): increased pulmonary vascularity total anomalous pulmonary venous return (TAPVR) (types I and II) transposition of the ...
Article

Elliott et al classification of cardiomyopathies

The Elliott et al classification system of cardiomyopathies is one of the cardiomyopathy classification systems. This was published by the European Society of Cardiology Working Group on Myocardial and Pericardial Diseases. This places emphasis on phenotypic classification 1-2. See also cardio...
Article

Hypertrophic cardiomyopathy

Hypertrophic cardiomyopathy (HCM) is a type of cardiomyopathy and is the leading cause of sudden death (from arrhythmias) in infants, teenagers and young adults.  Epidemiology There is no gender predilection and has a prevalence of around 0.3-0.5% in the general population 4. Pathology Hyper...
Article

Isomerism

Isomerism is a term which in general means 'mirror-image'. It is used in the context of heterotaxy and is of two types: left isomerism right isomerism Left isomerism Mirror image of the structures on the left side of the chest along the left-right axis of the body, i.e. patients with isomeri...
Article

RASopathies

RASopathies are a class of developmental disorders caused by germline mutations in genes that encode for components or regulators of the Ras/mitogen activated protein kinase (MAPK) pathway. Epidemiology As a group, RASopathies represent one of the most common malformation syndromes, with an in...
Article

Thrombolysis in myocardial infarction (TIMI) risk score

The thrombolysis in myocardial infarction (TIMI) risk score is a prognostic risk stratification system that categorises the risk of death and ischemic events in patients with unstable angina / NSTEMI and provides a basis for therapeutic decision making. It is thought to have potential to improve...

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