34 results
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Algorithm Acidosis ... Intracellular Shift ... Primary hyperaldo ... #Causes #Workup ... #Nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Transcellular Shift ... : • Alkalosis ... #nephrology #low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
filling of bucket (low ... (transcellular shift ... all the time (urinary ... #Causes #workup ... #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... Transcellular Shift ... Acute Respiratory Alkalosis ... • N Vitamin D: Primary ... #workup
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Vasopressin-independent - Consider: Primary ... polydipsia, Low ... #diagnosis #differential ... #algorithm #causes ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... #Differential # ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... #Differential # ... #Nephrology #Causes
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Transcellular Shift ... Glucose, Acute resp. alkalosis ... Normal or High PTH: Primary ... #phosphate #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Diagnosis Algorithm ... Solute Intake - Primary ... , CNS Disease, Meds ... #diagnosis #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Redistribution/ Shift ... depletion: Respiratory alkalosis ... #causes #nephrology