15 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Differential Diagnosis Algorithm ... • Burns • Diarrhea ... JAK-2 Positive - Low ... Sleep Apnea • Chronic ... #Causes #Hematology
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... Congenital chloride diarrhea ... - Normal/low ... metabolic acidosis: Chronic ... diarrhea, Kidney
What is the difference between ischemic colitis and mesenteric ischemia?
A common misnomer. Mesenteric ischemia and ischemic
initial treatment algorithms ... to nonocclusive low ... flow states • ... tenderness, bloody diarrhea ... differences #diagnosis #table
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Differential Diagnosis Algorithm ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... Differential #Diagnosis #Algorithm
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... metabolic acidosis • Chronic ... diarrhea • Kidney ... Chloride #urine #Algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... diarrhea / IBD ... Differential #Diagnosis #Low ... #Magnesium #Table
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... Appropriately Low ... GI Absorption: Chronic ... Diarrhea, Antacids ... Differential #Diagnosis #Algorithm
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
in >90% - Low ... 60-80% - Low ... • Evolution: Chronic ... #comparison #table ... #rheumatology #
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Differential Diagnosis Algorithm ... net charge) • Diarrhea ... RTA Type II • Carbonic ... Cell Problem - Low ... Differential #Diagnosis #Algorithm
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... • Infectious diarrhea ... 300 mg/dL) • Low ... Malignancies • Chronic ... hypogammaglobulinemia #immunology #hematology