21 results
COVID19 Testing - PCR vs CT - Sensitivity and Specificity

Original Data via https://pubs.rsna.org/doi/full/10.1148/radiol.2020200642

Admission laboratory patterns in
COVID19 Testing ... - PCR vs CT - Sensitivity ... patients with COVID ... Care @iBookCC #COVID19 ... #Testing #PCR #
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
Differential Diagnosis Algorithm ... Density, Delay in CT ... Hounsfeld Units on CT ... Aldosterone Excess Hypertension ... Differential #Diagnosis #Algorithm
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... Bradycardia & hypotension ... SPECT ($$$), PET CT ... Cardiac #Stress #Testing
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary Hypertension ... and Screening Testing ... MRA; abdominal CT ... infusion Adrenal CT ... CT or MRI scan of
Management Algorithm for Confusion
- Substrate verification, glucose, oxygen checks
- Toxidrome present
- Focal findings on neurologic examination
-
Management Algorithm ... criteria - ED testing ... include cranial CT ... Delirium #Management #Algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... mimics, repeat testing ... → CT urography and ... Hematuria #Diagnosis #Algorithm
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
mSv/year 1 day Airline ... mSv 1 day Head CT ... months Chest CT ... mSv 4-11 years CT ... #Table #Risks #Testing
COVID-19 Chest CT

A mid 30 year old w/ COVID19 symptoms (Febrile/SOB) for a week presented to
COVID-19 Chest CT ... 30 year old w/ COVID19 ... dropping to 90, getting ... physician ordered a CT ... @MRamzyDO #COVID19
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Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Community Acquired ... ratio ≤250 • Hypotension ... radiograph or CT ... Mortality: • Hypotension ... (LR + 2.8) Testing
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
metastases CT ... collection • Acquired ... • Intracranial hypotension ... thrombosis CT ... collection • Acquired