8 results
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Hematologic • Anemia ... Tuberculosis • Epstein-Barr ... Hepatitis • HIV Autoimmune ... Pulmonary Disease Neurologic ... Fatigue Syndrome
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hemolytic anemia ... DDX - Other causes ... infections (Epstein-Barr ... hypogammaglobulinemia #immunology ... #hematology #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... (GBS) Acute autoimmune ... albuminocytologic dissociation ... #Syndrome #diagnosis ... #management #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
myasthenia Diagnosis ... first step in immunologic ... inhibition - Chronic ... Myasthenia #Gravis #diagnosis ... #management #neurology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
regurgitation • Autoimmune ... • Petechiae Immunologic ... due to vascular occlusion ... ↑ ESR, CRP • EKG ... Leukocytosis, anemia
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
hypersensitivity/immunologic ... respiratory distress syndrome ... (e.g., chronic ... Malignancy - Exclusion ... #management #Toxicology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
regurgitation • Autoimmune ... • Petechiae Immunologic ... due to vascular occlusion ... ↑ ESR, CRP • EKG ... Leukocytosis, anemia
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential Diagnosis ... myopathies Diagnostic ... Aldolase levels • EMG ... phenomenon INCLUSION ... statins - probably caused