4 results
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
X-ray - Lung ultrasound ... Nasopharyngeal PCR ... for COVID-19, influenza ... - CBC with differential ... Diagnosis #SARSCoV2 #Coronavirus
Causes of Acute Pharyngitis
• 200 visits per year per 1000 people
   - i.e. 400
visits/year for a PCP ... Rhinovirus (20%) • Coronavirus ... 2%) - croup • Influenza ... Pharyngitis #Causes #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... pneumonia • Seasonal influenza ... Pneumonia: • PVL ... pneumonia, pleural effusion ... AIDS #pulmonary #differential
Severe Influenza Checklist

Diagnostic tests 
 - Blood cultures x2 
 - Sputum gram stain & culture
Severe Influenza ... antigens - Nares PCR ... function tests - Ultrasound ... needed to exclude effusion ... lab-confirmed influenza