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Diagnosis: Coronary CT Angiogram showing Chronic Total Occlusion of a short segment of proximal LAD with reformation of flow in mid LAD via collaterals from the Conus branch of RCA.*
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*Abbreviations used:

AM - Acute Marginal branch of RCA
CTO - Chronic Total Occlusion
D1 - First Diagonal branch of LAD
LAD - Left Anterior Descending artery
LCx - Left [...]

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via AuntMinnie [Registration required.Free]

Ordering CT examinations for children younger than age 6 who are admitted to an emergency department for a headache seldom aids in diagnosis, exposes the child to unnecessary radiation, and is a waste of money. While pediatric neurologists and emergency physicians at the Children’s National Medical Center in Washington, DC, weren’t quite [...]

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via Buckeye Surgeon: Traumatic Cervical Spine Injury: Is CT now the preferred imaging modality?.

Over 1500 patients were accrued. Radiographic evidence of cervical spine injury was detected in 78 of the patients, with 50 having clinically significant injuries. Here’s where it gets good. CT scan of the cervical spine detected all 50 injuries (100% sensitivity) while [...]

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Note: This is the third (and final) case in a short series of CT images of extra-axial intracranial hemorrhages.
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Diagnosis: Subarachnoid Hemorrhage.

Subarachnoid hemorrhage (SAH) implies the presence of blood within the subarachnoid space from some pathologic process. SAH causes approximately 5% of all “strokes.” The common medical use of the term SAH refers to the [...]

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via other things amanzi: ct scans.

i’m usually quite good at reading ct scans, but this one just left me with one big question mark.
…and like most questions from surgeons to radiologists, this one is half full of it
Start Slide Show with PicLens Lite

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via Class Act: Cardiac CT to Assess Coronary Artery Calcium | Clinical Correlations.
Article by Matt Nayor, a fourth year medical student at NYU Medical School. Reviewed by Robert Donnino MD, NYU Division of Cardiology. (Emphases mine)

Coronary artery calcifications are absent in normal vessels, but are highly correlated with coronary artery disease (CAD). They are therefore [...]

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Retained knife blade: an unusual cause for headache following massive alcohol intake. (via precordialthump, dublindoc & Mind Hacks. Emphases mine)

Massive alcohol intake usually resolves in a banal headache. We report a case of a patient presenting with acute alcohol intoxication in which the ensuing “hangover” was due to a knife blade deeply retained in the [...]

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Note: This is the second case in a short series of CT images of extra-axial intracranial hemorrhages.
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Diagnosis: Subdural Hemorrhage.

Also known as Subdural Hematoma (SDH).
Subdural hemorrhages (SDHs) are seen in 10% to 20% of all head trauma cases and occur in up to 30% of fatal injuries. A definite history of trauma may be lacking, particularly [...]