10 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... mimics, repeat testing ... renal biopsy • Risk ... → CT urography and
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Radiation Dose to ... Tomography Angiography (CTA ... Background #Radiation #Doses ... Nuclear #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 ... 200 CXRs Chest CT ... CXRs Abdomen CT ... ChestXRay #CXR #CT ... #Risks #Testing
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
b) CHF c) CVA ... ASA class If ... event, follow ACC algorithm ... surgery Stress Testing ... preoperative stress testing
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
mSv 1 day Head CT ... months Chest CT ... mSv 4-11 years CT ... Nuclear #Comparison #Table ... #Risks #Testing
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... MRA; abdominal CT ... infusion Adrenal CT ... CT or MRI scan of ... #table
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
available diagnostic testing ... are called lung masses ... a repeat chest CT ... growth with chest CT ... emission tomography-CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • DM risk ... Putrid sputum/sour-tasting ... seen • Chest CT ... shows a small, stable ... #differential #causes
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
suspected) - CT ... chest; CT abdomen ... full infectious work-up ... mg/dL or > 25 % rise ... incontinence - High-dose
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Compartment syndrome risk ... ligament/meniscus testing ... WORK UP: obtain ... Consider CT. ... vascular injury---> CT