Items tagged “emergency”
78 results found
Article
Nitrous oxide toxicity
Nitrous oxide (N2O) toxicity has serious medical sequelae affecting both the CNS and the bone marrow. Neurological effects include encephalopathy, myelopathy, and neuropathy. This results from demyelination and gliosis due to a functional deficiency of vitamin B12 1. Bone marrow toxicity may lea...
Article
Right heart strain
Right heart strain (or more precisely right ventricular strain) is a term given to denote the presence of right ventricular dysfunction usually in the absence of an underlying cardiomyopathy. It can manifest as an acute right heart syndrome.
Pathology
Right heart strain can often occur as a re...
Article
Rhabdomyolysis
Rhabdomyolysis describes the breakdown of striated muscles with the release of intracellular contents and represents a severe muscle injury. MRI is the imaging modality of choice. Rhabdomyolysis is potentially life-threatening although recovery is excellent with early treatment.
Clinical presen...
Case
L5/S1 disc protrusion
Published
02 Feb 2015
95% complete
MRI
Case
Extradural hemorrhage
Published
03 Feb 2015
100% complete
CT
Case
Traumatic brain injury
Published
04 Feb 2015
100% complete
Annotated image
CT
Case
Spinal fracture with cauda equina syndrome
Published
04 Feb 2015
100% complete
CT
Annotated image
MRI
Case
Right MCA Infarction (teaching)
Published
04 Feb 2015
98% complete
CT
Article
Skull fractures (summary)
This is a basic article for medical students and other non-radiologists
Skull fractures usually occur following significant head injury and may herald underlying neurological pathology.
Reference article
This is a summary article; read more in our article on skull fractures.
Summary
anatomy...
Case
Infrarenal aortic aneurysm
Published
18 Aug 2015
92% complete
CT
Article
Midline shift
Midline shift is one of the most important indicators of increased intracranial pressure due to mass effect.
Pathology
Any intra-axial or extra-axial lesion (tumor, hemorrhage, abscess, etc.) has the potential to exert mass effect on the brain parenchyma and cause lateral shift of the midline ...
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 (NSTEMI)
unstable an...
Article
Pneumothorax (ultrasound)
Pneumothorax is a serious potential consequence of blunt thoracic trauma and, if misdiagnosed, it may quickly become life-threatening.
For a discussion on epidemiology, clinical presentation, pathology, and treatment and prognosis please see the main pneumothorax article.
Radiographic feature...
Article
Congestive cardiac failure
Congestive cardiac failure (CCF), also known as congestive heart failure (CHF) or simply heart failure, refers to the clinical syndrome caused by inherited or acquired abnormalities of heart structure and function, causing a constellation of symptoms and signs that lead to decreased quality and ...
Article
Geneva score
The Geneva score is a clinical decision rule used to estimate the pre-test probability of pulmonary embolism (PE) in patients in which this diagnosis was considered. The criteria were originally published by the clinical team of the Geneva University Hospital in 2001 1, and revised and simplifie...
Article
Methanol poisoning
Methanol poisoning is a cause of an acute toxic leukoencephalopathy that also has eventual chronic sequelae.
Epidemiology
Methanol is found in a variety of consumer products including perfumes, model aircraft and car fuels, windshield washing solutions, carburator cleaners, solid cooking fuel...
Case
Right sided colonic diverticulitis
Published
15 Aug 2017
75% complete
CT
Annotated image
Article
Aortic valve regurgitation
Aortic valve regurgitation, also known as aortic valve insufficiency or aortic valve incompetence, is a valvulopathy that describes leaking of the aortic valve during diastole that causes blood to flow in the reverse direction from the aorta and into the left ventricle.
Epidemiology
Aortic reg...
Case
Endotracheal tube in right main bronchus
Published
20 Dec 2017
100% complete
X-ray
Article
Wellens syndrome
Wellens syndrome (also referred to as LAD coronary T-wave syndrome) refers to an ECG pattern specific for critical stenosis of the proximal left anterior descending (LAD artery +/- resultant myocardial infarction in this territory.
The anomalies described occur in patients with recent anginal...
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