194 results
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
ultrasound, Tests ... Duplex Doppler ultrasound ... test (with 24-h urine ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria: Red/Dark urine ... 1ml blood/liter urine ... disease - Alport syndrome ... pain hematuria syndrome ... • Nutcracker syndrome
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
dipstick, urine ... osmolarity If cause ... Abdominal compartment syndrome ... syndrome: troponin ... Diagnosis #nephrology #causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low Urine ... (late) • High Urine ... , Gitelman Syndrome ... hyperaldosteronism • High PRA: Renal ... Algorithm #Nephrology #Causes
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Overfill (Increased renal ... sodium retention, Urine ... • Nephrotic Syndrome ... Diagnosis #Algorithm #Causes
Evaluation of Secondary Hypertension
 • Primary aldosteronism - PRA, PAC
 • Renal artery stenosis - Renal
- PRA, PAC • Renal ... artery stenosis - Renal ... fT4 • Cushing syndrome ... cortisol. 24-h urine ... Mineralocorticoid excess syndromes
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
and Nephrotic Syndromes ... Nephritic syndrome—due ... RBC casts in urine ... but in severe cases ... Nephritic #Nephrotic #Syndromes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... GI losses • Renal ... • Nephrotic syndrome ... Hypo-osmolar urine
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... 2-2.5% or 24h Urine ... Malabsorption RENAL ... 2-2.5% or 24h Urine ... • Gitelman's syndrome
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... GI losses • Renal ... • Nephrotic syndrome ... Hypo-osmolar urine