17 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythrocytosis) - Differential ... Diagnosis Algorithm ... • Burns • Diarrhea ... JAK-2 Positive - Low
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... tubal acidosis and metabolic ... losses, Vomiting, Diarrhea ... : • Acute or chronic
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential ... Diagnosis Algorithm ... - Normal/low ... diarrhea, Kidney ... #causes #urinary
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Diagnosis Algorithm ... Emotional stimuli • Metabolic ... Myeloproliferative Disorder • Chronic ... myelogenous leukemia • Polycythemia
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... intake • Metabolic ... Gl tract loss (Diarrhea ... #causes #potassium
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... How we define polycythemia ... normal/high - Chronic ... #Differential #
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... Diagnosis Algorithm ... Neurocysticercosis, PML • Metabolic ... Hyperglycemia, Hyponatremia
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... acidosis • Chronic ... the indicated causes ... #nephrology #differential
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... Diagnosis Algorithm ... Insufficiency Metabolic ... Arthritis • SLE