37 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... Transcellular Shift: • Alkalosis ... Losses Non-renal ... vomiting) • Low ... #Algorithm #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Renal artery stenosis ... Differential #Algorithm #Diagnosis ... #Causes #Workup ... #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
- Differential Diagnosis ... Algorithm Hypovolemia ... and metabolic alkalosis ... inappropriate antidiuretic hormone ... Algorithm #Causes #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... - Differential Diagnosis ... hyperaldosteronism • High PRA: Renal ... #Differential #Diagnosis ... #Algorithm #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential Diagnosis ... filling of bucket (low ... #Differential #Diagnosis ... Algorithm #Causes #workup ... #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... loss (Diarrhea) Renal ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... - Differential Diagnosis ... hyperaldosteronism • High PRA: Renal ... #Differential #Diagnosis ... #Algorithm #Nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential Diagnosis ... #Workup #Differential ... #Diagnosis #Algorithm ... #nephrology #calcium
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... Acute Respiratory Alkalosis ... Estrogen based hormonal ... #Algorithm #nephrology ... #phosphorus #workup
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential Diagnosis ... Glucose, Acute resp. alkalosis ... FEPO4 ≥ 5% - Renal ... #phosphate #nephrology