19 results
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia ... depletion: Respiratory alkalosis ... ), Hungry bone syndrome ... DTomacruzMD #Hypophosphatemia ... Algorithm #causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Glucose, Acute resp. alkalosis ... , Hungry bone syndrome ... Tumor genesis syndrome ... Workup #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Acute Respiratory Alkalosis ... Tumor Genesis Syndrome ... , CAR-T cell #Hypophosphatemia ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... , Gitelman Syndrome ... , Liddle syndrome ... Primary #Metabolic #Alkalosis ... Diagnosis #Algorithm #nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Pathophysiology ... distal tubule. ↑ Nacl ... Hypokalemia Metabolic alkalosis ... #Pathophysiology ... #nephrology #diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... , Gitelman Syndrome ... , Liddle syndrome ... aldosteronism #Metabolic #Alkalosis ... Diagnosis #Algorithm #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... responsive metabolic alkalosis ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... urine #Algorithm #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Metabolic alkalosis ... pressure: - Cl ... cause metabolic alkalosis ... Diagnosis #Algorithm #Pathophysiology ... #Nephrology #Chloride
Mechanisms of nephron damage in cardiorenal syndrome
 • Increased renal interstitial pressure
 • Hypoperfusion
 • Reduced
in cardiorenal syndrome ... release • ↓ Cl ... #cardiorenal #syndrome ... #Mechanisms #pathophysiology ... #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
↑ ↑ Metabolic alkalosis ... Acidosis ↑ ↓ Resp Alkalosis ... (AG) = {Na - (Cl ... D-lactate (short bowel syndrome ... Diagnosis #Summary #Nephrology