26 results
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
(Ischemia) - Acute ... • Sickle Cell Anemia ... Septic Embolism (e.g ... Fat Embolism (e.g ... Mycotic Aneurysm (e.g
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Toxic Damage (e.g ... Displacement (e.g ... Foreign Surface (e.g ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis): • Acute ... malignancies • Anemia ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... #hematology #secondary
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... • Secondary (e.g ... Normal RBCs • Acute ... #Hematology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Polyneuropathy, Acute ... stroke, Acute spinal ... polyneuropathy (e.g ... Guillain-Barré syndrome ... #differential #
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Anemia • ... Tuberculosis • Epstein-Barr ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... #differential # ... diagnosis #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Volume (MCV) - Differential ... Increased Requirement (e.g ... Myelodysplastic Syndromes ... #Hematology
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Diffuse Acute Abdominal ... (<72 hours) - Differential ... Metabolic disease (e.g ... • Sickle cell anemia ... Irritable bowel syndrome
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... - Summary Acute ... Epidemiology: • 1-2 cases ... Albuminocytologic dissociation ... Electrodiagnostic studies - EMG