26 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential ... Acute Respiratory Alkalosis ... • Small bowel diarrhea ... Steatorrhea • Chronic Diarrhea ... endocrinology #causes
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential ... Appropriately Low ... Absorption: Chronic Diarrhea ... Acute Respiratory Alkalosis
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Shock - Differential ... Diagnosis Algorithm ... - Low JVP ... Vomiting • Diarrhea ... #causes
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Malabsorption, Chronic diarrhea ... Glucose, Acute resp. alkalosis ... • Normal or Low ... #Differential #
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential ... Congenital chloride diarrhea ... - Normal/low ... acidosis: Chronic diarrhea ... #causes #urinary
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Transcellular Shift: • Alkalosis ... losses (NG suction, diarrhea ... vomiting) • Low
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - RTA - Diarrhea ... Metabolic alkalosis ... #Causes #Workup
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... • Normal/low ... the indicated causes ... Chloride #urine #Algorithm ... #nephrology #differential
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... Catecholamines - Alkalosis ... #Diagnosis #Low ... Classification #Causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... • Severe diarrhea ... exacerbation (any cause ... obstruction to blood flow ... #Differential #