49 results
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Intracellular Shift ... Metabolic alkalosis ... Renal artery stenosis ... Diagnosis #Causes #Workup ... #Nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift ... : • Alkalosis ... Medications Renal ... Losses Non-renal ... #nephrology #low
Metabolic and Respiratory Acidosis and Alkalosis - Diagnostic Algorithm

Anion gap - MUDPILES: 
 - Methanol (formic
Metabolic and Respiratory ... Acidosis and Alkalosis ... - Diagnostic Algorithm ... Addison disease - Renal ... Recommended Text: Nephrology
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Ketoacidosis, Renal ... bicarb, Bicarb shift ... • Metabolic Alkalosis ... GI loss of H+, Renal ... Disorders #Evaluation #workup
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... hyperaldosteronism • High PRA: Renal ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... hyperaldosteronism • High PRA: Renal ... #Nephrology #Causes
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Differential Diagnosis Algorithm ... Redistribution/ Shift ... depletion: Respiratory alkalosis ... bone syndrome • Renal ... #causes #nephrology
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Alkalosis - “BLVD ... - Contraction alkalosis ... nickmmark #acidbase #workup ... #algorithm #diagnosis ... #acidosis #alkalosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... tubal acidosis and metabolic ... alkalosis, Ketonuria ... Differential #Diagnosis #Algorithm ... #Causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Transcellular Shift ... Glucose, Acute resp. alkalosis ... FEPO4 ≥ 5% - Renal ... #phosphate #nephrology