Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... #cns #brain #diagnosis ... #differential # ... algorithm #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 β€’ Toxoplasmosis (CD4 < 100)
 β€’ Other
Ring-Enhancing Lesions ... Ring-Enhancing Lesions ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
of magnesium = (urine ... Hypomagnesemia #algorithm #differential ... #diagnosis #causes ... #nephrology #magnesium ... #low
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
Distal Renal Tubular ... Failure to acidify urine ... Distal #Diagnosis #Management ... #Nephrology #Causes ... #Differential #
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 β€’ Primary polydipsia (a.k.a. "psychogenic polydipsia")
 β€’
Causes of Polyuria ... - Differential ... β€’ Central Dl (Low ... Nephrogenic DI (Renal ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... suggests extra-renal ... causes β€’ Laxative ... diagnosis #Algorithm #differential ... #low
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Anti-GBM antibody β€’ Urine ... : UA, Urine protein ... Goodpasture's cause ... , low grade proteinuria ... #diagnosis #management
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... can be high or low ... #Hyponatremia #differential ... table #sodium #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 β€’ Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... diuretics after renal ... furosemide-like lesion ... #nephrology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or β‰₯ 39 C this is a
amphetamines) Toxic: β€’ Radiologic ... Phaeochromocytoma Neurologic ... β€’ Traumatic brain ... #Hyperthermia #Differential ... Checklist #Diagnosis #Management