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

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... Repeat the sodium ... volume loss - diarrhea ... #Workup #Algorithm ... #Nephrology
Metabolic and Respiratory Acidosis and Alkalosis - Diagnostic Algorithm

Anion gap - MUDPILES: 
 - Methanol (formic
- Diagnostic Algorithm ... Addison disease - Renal ... acidosis - Diarrhea ... #Acidosis #Alkalosis ... Recommended Text: Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... settings, the urine sodium ... the excretion of sodium ... #nephrology #differential ... #diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... - Differential Diagnosis ... Algorithm Volume ... hyperaldosteronism • High PRA: Renal ... #Algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... Shift: • Alkalosis ... Losses Non-renal ... losses (NG suction, diarrhea ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... - Differential Diagnosis ... Algorithm Volume ... hyperaldosteronism • High PRA: Renal ... #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
- Differential Diagnosis ... Algorithm Hypovolemia ... and metabolic alkalosis ... losses, Vomiting, Diarrhea ... #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... mOsm/kg - Implies renal ... #Workup #Algorithm ... #nephrology #sodium
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... Malabsorption, Chronic diarrhea ... Glucose, Acute resp. alkalosis ... FEPO4 ≥ 5% - Renal ... #phosphate #nephrology