Why CT before LP in Suspected Meningitis?

9 years ago

Traditional thinking was if there is a space occupying lesion, it may result in increased ICP. When you perform a…

Why & How to Monitor Vancomycin Troughs?

9 years ago

Vancomycin is a glycopeptide antibiotic, typically used for treatment of MRSA. Traditionally it is recommended to get trough doses to…

Why does Tuberculosis tend to reactivate in upper lung lobes?

9 years ago

Mycobacterium tuberculosis is an obligate aerobe and only survives in oxygenated areas. Exact reason for TB's propensity to reactivate in…

How does Hypoalbuminemia effect Anion Gap?

9 years ago

Albumin makes up a majority of the anion gap (unmeasured anion protein). Hence in states of low albumin, an anion…

Why do you order Albumin with Calcium?

9 years ago

Total Calcium needs to be interpreted in the context of serum albumin levels  WHY? Calcium is protein bound (primarily to…

Why give Clindamycin with a Beta-lactam for Group A Strep?

9 years ago

Why give Clindamycin for a Group A Strep infection that is already adequately covered by a Beta-lactam? Proposed rationale: Clindamycin…

Why is Oral Vancomycin given for C. Difficile?

10 years ago

Why is oral (PO) Vancomycin given for C. Difficile? Why not IV? MECHANISM: Vancomycin is a large, hydrophilic molecule that…

Why can’t Daptomycin be used for Pneumonia?

10 years ago

Daptomycin (lipopeptide): typically used for VRE and MRSA, but has had poor efficacy in clinical trials for CAP. Proposed rationale:…

Why does BUN increase with Pre-renal Azotemia?

10 years ago

The ratio is predictive of prerenal injury when BUN:Cr exceeds 20 WHY IS IT ELEVATED? In prerenal injury, urea increases…

Why does Urea increase during an Upper GI bleed?

10 years ago

Extensive bleeding from the upper gastrointestinal (GI) tract will cause an increase in Urea (BUN). HOW? Blood is full of…

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