12 results
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 ... Chest CT 3 mSv 150 ... CXRs Abdomen CT ... ChestXRay #CXR #CT ... #Table #Risks #
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Tomography Angiography (CTA ... 3 hours NUCLEAR ... PatientInfo #Radiology #Background ... #Table #Risks # ... Testing #Study
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
1 day Head CT ... Chest CT 3 mSv 12 ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... production to cause ... $), ECHO ($$), Nuclear ... SPECT ($$$), PET CT
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 ... Screening #Workup #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Putrid sputum/sour-tasting ... seen • Chest CT ... residual lesion or is clear ... #differential #causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... Renin/Aldosterone, RTA ... test (only if no clear ... cause) Management ... Elimination (see Table
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
antibodies - MuSK-positive ... More likely to cause ... undergo chest CT ... - 1st line: ... glucocorticoids - can cause
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
forefoot, ankles, knees ... Synovial Fluid Testing ... • Dual-energy CT ... → MSU deposits ... Therapy • First-line
Achalasia Summary

Epidemiology: 10 cases per 100,000 individuals

Defined by inadequate relaxation of the LES and aperistalsis
Primary or
Achalasia: Testing ... Useful if manometry unclear ... evaluated with CT ... LES is the first-line ... Treatment options