12 results
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Barium Enema (Lower ... GI X-ray) 8 mSv ... years - Upper GI ... Nuclear #Comparison #Table ... #Risks #Testing
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI ... type 4) - Salt wasting ... Low #Potassium #Table ... #Classification ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... Familial renal Mg wasting ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
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 ... Nuclear SPECT ($$$), PET ... CT/MRI ($$$$)
Clinical Opioid Withdrawal Score (COWS)

Resting Pulse Rate: Record beats per minute after patient is sitting or
: Record beats per ... still, but is able ... streaming down cheeks GI ... last ½ hour • 2 - nausea ... stool • 0 - no GI
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
vancomycin (if SSTI or port ... suspected) - CT ... chest; CT abdomen ... Treat underlying cause ... 100 000 (can be lower
Weight Loss - Differential Diagnosis Algorithm
Decreased Intake:
 • GI illness (upper and lower)
 • Psychiatric (Depression,
Differential Diagnosis Algorithm ... Decreased Intake: • GI ... illness (upper and lower ... Psychiatric (Depression, eating ... #Causes
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
lesion has been stable ... , which can be slower ... calcification, further testing ... Intermediate probability: PET-CT ... contrast-enhanced CT
Fever of Unknown Origin (FUO) Diagnostic Algorithm
STEP 1 Perform a comprehensive history and complete physical examination.
STEP
FUO) Diagnostic Algorithm ... imaging of the lower ... extremities, CT ... 6 Order 18FDG-PET ... /CT scan imaging
A blood test and/or 24 hour urine collection for the breakdown product of adrenaline & noradrenaline
blood or urine testing ... usually MRI or CT ... In certain cases ... such as MIBG or PET ... Pheo #Diagnosis #Algorithm