Dr. Gerald Diaz @GeraldMD
32.7M 13.9K 7.4K
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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True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... sodium low, uric ... and uric acid low ... #Hyponatremia #Differential ... Algorithm #Diagnosis #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... Uric Acid - Low ... Diagnosis #Algorithm #nephrology
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 β€’ Purines -> Hypoxanthine /
Pathophysiology ... -> Uric Acid (low ... Urate Nephropathy (low ... urine pH) β€’ Ca-Phos ... nephropathy (high urine
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
EABV, Low Plasma ... β€’ Distal RTA Low-normal ... Plasma HCO3- β€’ Low ... #potassium #differential ... algorithm #diagnosis #nephrology
Glitter Cells on Urine Microscopy
Glitter cells in the urine are viable and pale staining WBCs with
Glitter Cells on Urine ... Glitter cells in the urine ... depends on the low ... Glitter #Cells #Urine ... Microscopy #clinical #nephrology
β–Ί
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
of magnesium = (urine ... serum magnesium x urine ... Hypomagnesemia #algorithm #differential ... diagnosis #causes #nephrology ... #magnesium #low
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
demands Hypoxemia - low ... of hypoxia) - Low ... SvO2 β†’ Low PaO2 ... summary #pulmonary #differential ... diagnosis #causes #pathophysiology
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan β†’ Indoxyl
Purple Urine Bag ... E.coli*) + alkaline urine ... BrighamChiefs #Purple #Urine ... Syndrome #PUBS #pathophysiology ... clinical #photo #differential
Hyponatremia - Differential Diagnosis and Evaluation Algorithm
In addition to edema and urine concentration, always consider urine
Hyponatremia - Differential ... addition to edema and urine ... always consider urine ... #Hyponatremia #Differential ... Evaluation #Algorithm #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Algorithm and Differential ... blood count with differential ... , urine dipstick ... , urine microscopy ... Workup #Algorithm #Differential