19 results
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Hematologic • Anemia ... • Rheumatoid Arthritis ... • Drug Abuse (e.g ... #Algorithm #causes
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... Iron Deficiency (Eg ... Other • e.g ... HgbE, HgbC, etc. ... #Algorithm #Causes
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... not be subtle e.g ... . extreme fatigue ... E.g. 80 yo ESR cutoff ... systemic complaints- anemia
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... dietary intake (e.g ... slowing, neuropathy, fatigue ... organ ischemia (e.g ... e.g. leukemia
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... renal failure Clinical ... symptoms are not caused ... (e.g. incidental ... Extrapulmonary: ankle arthritis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... Lung Abscess - Clinical ... night sweats, fatigue ... Leukocytosis, anemia ... • Vasculitis (e.g
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
by excretion (e.g ... its metabolism (e.g ... hypoxemia/Sepsis etc ... / hypoxemia -> focus ... 30mmHg) - Severe anemia
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
and pernicious anemia ... Clinical Manifestations ... unit activity on EMG ... of diazepam • EMG ... EMG Studies:
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
syndrome, rheumatoid arthritis ... - Generalized fatigue ... myasthenia Diagnosis ... and EMG Findings ... Myasthenia #Gravis #diagnosis
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
osteomyelitis, Rheumatoid arthritis ... Clinical suspicion ... LVH, low-voltage EKG ... • Severe fatigue ... Cardiac Testing: • EKG