10 results
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... : Temperature rises ... Brucellosis Faget's Sign ... For every 1°F rise ... Brucellosis • Liver or lung
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Insufficiency Addison's ... (tuberculosis, fungal ... Adrenals: • Lung ... hypotension develops • Risk ... • Low-grade fever
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Pseudomonas FUNGAL ... • CT: Halo sign ... Pneumonia: • Risk
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... pneumonia • DM risk ... : • 80% have fever ... Prevotella • Fungal ... Abscess Differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) ... surfaces - Infections ... useful in high risk ... BAL GM does not differentiate ... Clav (may be + as long
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
surfaces, Albumin, Infections ... useful in high risk ... in BAL does not differentiate ... result in + as long ... post-2010 almost never
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... fibromyalgia) • Infections ... to: Arthritis, Fever ... Thrombosis highest risk
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
inflammatory response Risk ... forefoot, ankles, knees ... 12-24 Hours • Fever ... Diagnose concomitant infection ... drug failure • Risk
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
disease Malignancy Risk ... and increased risk ... dermatomyositis) Malignancy Risk ... and increased risk ... and increased risk
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
pulmonary symptoms • Rheumatologic ... MUCORMYCOSIS • Risk ... Encapsulated yeast • At risk ... change in the lungs ... nails, bronchi, lungs