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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Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Chronic diarrhea ... / IBD Renal Loses ... #Magnesium #Table ... #Classification ... #Causes #Workup
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... - Polyuria - Hypomagnesemia ... #Potassium #Table ... #Classification ... #Causes
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Urine Mg < 10g β€’ Diarrhea ... #Magnesium #Low ... #Causes #Differential
Hypokalemia Differential Diagnosis Algorithm

Low intake 
β€’ poor oral intake 

Renal loss 
β€’ Medication 
β€’ Hypomagnesemia 
β€’
Differential Diagnosis Algorithm ... Low intake ... Medication β€’ Hypomagnesemia ... Differential #Diagnosis #Algorithm ... #Causes #Classification
TABLE 2. Irritable bowel syndrome (IBS) sub-classifications
lBS-diarrhoea (IBS-D)
 - >25% loose or watery stools; <25% hard
TABLE 2. ... ) sub-classifications ... lBS-diarrhoea ... #Classes #Diagnosis ... #Diarrhea
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 β€’ Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... Congenital chloride diarrhea ... - Normal/low ... Gitelman syndrome, Hypomagnesemia ... #causes #urinary
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 β€’ Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis β€’ Normal/low ... Gitelman syndrome, Hypomagnesemia ... the indicated causes ... Chloride #urine #Algorithm
UCSF COVID-19 Adult Clinical Evaluation Guide - Updated April 10 2020

Clinical Presentation
β€’ Fever: hospitalized pts but
20% β€’ GI: N/V, diarrhea ... Cardiac: multiple case ... UCSF COVID-19 ID ... Guide #Diagnosis #Algorithm ... #Protocol #SARSCoV2
Protozoal causes of diarrhea in HIV
Others not included in the table: Entamoeba histolytica, Giardia Iamblia
Microsporidia
 -
Protozoal causes ... of diarrhea in ... included in the table ... Washington University ID ... #causes #diarrhea