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Severe acute respiratory syndrome
From WikEM
(Redirected from SARS)
Contents
Background
- SARS = Severe Acute Respiratory Syndrome
- Mainly Asia
- Commonly isolated from civet cat
- Coronavirus spread by respiratory droplet transmission
Clinical Features
Differential Diagnosis
Influenza-Like Illness
Cough
Acute (< 3 wks)
- URI (rhinitis, sinusitis, pertussis)
- LRI (bronchitis, pneumonia)
- Influenza
- Allergy
- Asthma
- Environmental irritants
- Transient airway hyperresponsiveness
- Foreign body
- SARS
Chronic (> 8 wks)
- Postinfectious; pertussis
- Smoking and/or chronic bronchitis
- Postnasal discharge
- Asthma
- GERD
- ACEI/ARB
- CHF
- Lung cancer or intrathoracic mass
- Emphysema
- Interstitial lung disease
- Psychiatric
Causes of Pneumonia
Bacteria
Viral
- Common
- Influenza
- Respiratory syncytial virus
- Parainfluenza
- Rarer
- Adenovirus
- Metapneumovirus
- Severe acute respiratory syndrome (SARS)
- Middle east respiratory syndrome coronavirus (MERS)
- Cause other diseases, but sometimes cause pneumonia
Fungal
- Histoplasmosis
- Coccidioidomycosis
- Blastomycosis
- Pneumocystis jirovecii pneumonia (PCP)
- Sporotrichosis
- Cryptococcosis
- Aspergillosis
- Candidiasis
Parasitic
Evaluation
- CXR (abnormal in 75% of cases at presentation)
- Patchy consolidation in peripheral lung fields
Management
- Empiric treatment for Bacterial Pneumonia
- Ribavirin
- Methylprednisolone
Disposition
- Admit
