24 results
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
“Muddy Brown” Casts ... on Urine Microscopy ... appreciated at low ... #Urine #Microscopy ... #Clinical #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
intake • Metabolic ... Renovascular HTN, Renin ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... A urine K/Cr ratio ... • Diarrhea A urine ... consumption • Low ... #nephrology #low
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Urine Cl-: Vomiting ... (late) • High Urine ... Diagnosis #Algorithm #Nephrology ... #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Urine Cl-: Vomiting ... (late) • High Urine ... artery stenosis, Renin-secreting ... Diagnosis #Algorithm #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... crystals may indicate metabolic ... key #diagnosis #nephrology ... #casts
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... suggestive of nephrotic sydnrome ... #Urine #Microscopy ... #nephrology #interpretation
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... Low-normal EABV ... , Low Plasma HCO3 ... #potassium #differential ... algorithm #diagnosis #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
disease - Alport syndrome ... pain hematuria syndrome ... hematuria: - RBC casts ... • Nutcracker syndrome ... #urology #nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... : Hypovolemia, Low ... PROBLEM ~80% of AKI cases ... for WBCs, RBCs, casts ... workup #diagnosis #nephrology