11 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
enzymes, Head CT ... Syncope #diagnosis #workup ... #testing #Cost ... Effectiveness #table ... #comparison
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 ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Workup Cost-effective ... or additional indications ... Echocardiogram • Head CT ... Cardiac stress testing ... #testing #Cost
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Computed Tomography (CT ... years - Upper GI Study ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... Finger glucose • Medication ... • Non-contrast CT ... w/o contrast (most ... • +/- bubble study
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... diabetes - Post-obstructive ... Familial renal Mg wasting ... Low #Magnesium #Table ... Classification #Causes #Workup
Vasopressors and Inotropes
 • Norepinephrine - Levophed - "Levo" - Generally thought of as the first
first pressor in most ... (arrhythmia in setting ... criticalcare #summary #comparison ... #table #pharmacology ... #indications
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
mSv 1 day Head CT ... months Chest CT ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
- Allergies to medications ... event, follow ACC algorithm ... they have one post ... surgery Stress Testing ... preoperative stress testing
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
to heat (fires, heating ... autoimmune conditions, medications ... idiopathic, and medications ... PrathitKulkarni #Erythemas #comparison ... #table #differential