16 results
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Shift Work) Sleep ... • Neurologic ... Disorders (Eg. ... • Medications (Eg ... • Drug Abuse (Eg
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 Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... function test, ANA (e.g ... (CVID, WAS), (neurologic ... changes), high MCV anemia
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Hematologic • Anemia ... Chronic Obstructive Pulmonary ... Disease Neurologic ... • Drug Abuse (e.g ... • Somatization Disorder
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 Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential ... risk factors (eg ... hypertension (eg ... hypertension (eg ... Neurologic disorders
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
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... (Cardiac, pulmonary ... dystrophies Work ... electromyographic (EMG ... #Diagnosis #neurology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... respiratory drive due to neurologic ... OSA DIFFUSION DISORDER ... Intrapulmonary shunting (eg ... intracardiac shunting (eg
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