133 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... Urine Cl-: Vomiting ... (late) • High Urine ... #Algorithm #Nephrology ... #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
- Differential Diagnosis ... Urine Cl-: Vomiting ... (late) • High Urine ... #Differential #Diagnosis ... #Algorithm #nephrology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... hematuria (RBC casts ... dysmorphic RBCs in urine ... Comparison #Algorithm #Nephrology ... #Diagnosis
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
Nephritic syndrome—due ... RBC casts in urine ... but in severe cases ... #Proteinuria #Nephrology ... #Diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Normal Acid-Base: Low ... #Differential #Diagnosis ... #Algorithm #causes ... #nephrology
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Diagnosis Red Urine ... : • Any cause of ... dyes typically cause ... #Differential #Diagnosis ... discoloration #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Low-normal EABV ... , Low Plasma HCO3 ... Plasma HCO3- • Low ... differential #algorithm #diagnosis ... #nephrology
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Cortisol, Free Urine ... Cortisol, Saliva • Low ... Serum (or Cortisol Urine ... #diagnosis #algorithm ... #endocrinology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... nephrolithiasis • Symptoms ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... disease - Alport syndrome ... pain hematuria syndrome ... → Diagnostic of ... #nephrology #renal