10 results
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
X-ray limitations ... UltraSound (POCUS) to CT ... overview of X-ray ... Diagnosis #Radiology #ChestXRay ... #Limitations #Comparison
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
X-ray 0.001 mSv ... - Dental X-ray ... Doses #Imaging #ChestXRay ... #Comparison #Table ... #Risks #Testing
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
50 CXRs Head CT ... CXRs Abdomen CT ... Doses #Imaging #ChestXRay ... #Comparison #Table ... #Risks #Testing
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
days Chest X-ray ... months Chest CT ... Doses #Imaging #ChestXRay ... #Comparison #Table ... #Risks #Testing
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Recent PCI/stenting ... risk Chest X-ray ... surgery Stress Testing ... preoperative stress testing ... medical and surgical management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Diagnosis and Management ... Putrid sputum/sour-tasting ... seen • Chest CT ... Lung Abscess Management ... Clindamycin in case of PCN
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Diagnosis and Management ... radiograph or CT ... (LR + 2.8) Testing ... cultures/nasal PCR ... CAP #Diagnosis #Management
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
mortality 26% • CT ... Screening #Tests #comparison ... #table #management ... gastroenterology #CRC #Testing
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
mortality 26% • CT ... Indications #Tests #comparison ... #table #management ... gastroenterology #CRC #Testing
ACOG - Outpatient Assessment and Management for Pregnant Women With
Suspected or Confirmed Novel Coronavirus (COVID-19)
Low Risk
Assessment and Management ... send patient to a setting ... an ambulatory setting ... oximetry, chest X-ray ... excluded from chest CT