22 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... PRA: plasma renin ... aldosteronism #Metabolic #Alkalosis ... Diagnosis #Algorithm #Nephrology ... #Causes
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Periodic paralysis Alkalosis ... Metabolic alkalosis ... Renin secreting ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... paraproteinemia, acute ... Insulin/Glucose, Acute ... resp. alkalosis ... #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
into cells - Acute ... depletion: Respiratory alkalosis ... ), Hungry bone syndrome ... Diagnosis #Algorithm #causes ... #nephrology #phosphate
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Alkalosis - Differential ... Licorice • Liddle's Syndrome ... MetabolicAlkalosis #NonGap #Nephrology ... Diagnosis #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... and metabolic alkalosis ... UNa > 20: • Acute ... Diagnosis #Algorithm #Causes ... #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... postchronic hypercapnia (acute ... mutation) • Renin-secreting ... Differential #Diagnosis #Causes ... #nephrology
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
a.k.a. cardiorenal syndrome ... a.k.a. hepatorenal syndrome ... tubular necrosis (causes ... Medications • Benign ... Classification #diagnosis #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
, Acute Respiratory ... Alkalosis, Tumor ... Genesis Syndrome ... Diagnosis #Algorithm #nephrology ... #phosphorus #workup
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... - Metabolic Alkalosis ... , Gitelman syndrome ... differential #potassium #nephrology