22 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Liver disease, Etc ... valve induced, Etc ... Unstable hemoglobin disorders ... RBC #Morphology #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential ... QRS complex Pulmonary ... Electrolyte Disorders ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... function test, ANA (e.g ... changes), high MCV anemia ... #Differential #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... glucocorticoid treatment ... signs or symptoms (eg ... #Algorithm #Differential
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue - Differential ... Hematologic • Anemia ... Chronic Obstructive Pulmonary ... • Drug Abuse (e.g ... • Somatization Disorder
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
other vasospastic disorders ... Raynaud, migraine, etc ... Variable troponin elevation ... changes on tele/ECG ... tests in cath lab Treatment
Anxiety Disorders Associated with Panic - Differential Diagnosis Algorithm

Panic Disorder - Recurrent, Unexpected Panic Attacks
Specific Phobia
Associated with Panic - Differential ... Specific Trigger (e.g ... for >6 months (e.g ... Work or School) ... Difficulty in Escape (e.g
Indications for Serum Protein Electrophoresis (SPEP)
 • Suspected multiple myeloma, Waldenström's macroglobulinemia, primary amyloidosis, or related
amyloidosis, or related disorder ... chemotherapy, etc ... • New-onset anemia ... possible malignancy (e.g ... serum protein elevation
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
and pernicious anemia ... unit activity on EMG ... of diazepam • EMG ... antibody that works ... EMG Studies:
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... risk factors (eg ... hypertension (eg ... hypertension (eg