10 results
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Diagnosis Framework ... Glucose, Acute resp. alkalosis ... , CA Inh., Osmotic ... #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Acute Respiratory Alkalosis ... #nephrology #phosphorus ... #workup
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
in the distal tubule ... Hypokalemia Metabolic alkalosis ... Contraction → ↑ Renin ↑ Ca ... Pathophysiology #nephrology ... #diagnosis
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
: Differential Diagnosis ... indicates a renal tubule ... #Differential # ... Diagnosis #Causes ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
, Gitelman syndrome ... in the proximal tubule ... urine #Algorithm #nephrology ... #differential # ... diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... D-lactate (short bowel syndrome ... sedation, narcotics, CVA ... Interpretation #Diagnosis ... #Summary #Nephrology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... Diagnosis Approach ... and metabolic alkalosis ... , and Guillain-Barre
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... II ○ Susac’s syndrome ... trauma ○ MS, CVA ... Labyrinthitis ○ Epstein-Barr
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... Entering VA was ... An APD was noted ... the hospital, diagnosed ... ophthalmology #neurology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
distal convoluted tubule ... hypomagnesemia • Metabolic alkalosis ... Hypochloremic metabolic alkalosis ... ratio 0.5%) Differential ... #diagnosis #nephrology