46 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Stomach: Pernicious anemia ... gastrectomy, H. pylori infection ... Gastritis Other: Medications ... Deficiency #Cobalamin #differential ... #diagnosis #causes
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
Mental Status - Differential ... Diagnosis • Neurologic ... Thyroid disease • Infectious ... Abscess • Toxic: Medications ... #Diagnosis #Causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... Diagnosis Algorithm ... Myelofibrosis Infectious ... effect following treatment ... Iron deficiency anemia
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Arrhythmias - Differential ... Diagnosis Algorithm ... - High Output State ... : • Anemia ... • Fever/infection
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Iron-deficiency anemia ... unresponsive to treatment ... without discernable cause ... microscopic colitis Differential ... NSAlDs, ARBs) • Infection
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... Diagnosis Algorithm ... Toxic: Alcohol, Medication ... brain injury • Infectious
Medications associated with neuroleptic malignant syndrome

First-generation and second-generation antipsychotics are dopamine receptor antagonists, which produce a
Medications associated ... which produce a state ... after years of treatment ... #Diagnosis #Differential ... #Drugs #Causes
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Pregnancy, EPO treatment ... Loss (without anaemia ... Pylori • Hookworm infection ... Iron #Deficiency #differential ... #diagnosis #causes
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Diagnosis Algorithm ... Sickle cell • Unstable ... circulation - Infections ... immune-complex hemolytic anemia
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... Diagnosis Algorithm ... hemolysis, deficiency anemia ... Rebound effect from treatment ... • Reaction to Medications