73 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Constitutional symptoms ... factor • May cause ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Causes of Acute Pediatric Cough - Differential Diagnosis Algorithm
No Fever, No Tachypnea
 - Normal Chest Auscultation
Causes of Acute ... - Differential Diagnosis ... Algorithm No Fever ... Bronchitis - No URTI Symptoms ... #Algorithm #Causes
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... - Differential Diagnosis ... Algorithm Idiopathic ... Amy Chung, MD, MSc ... #Algorithm
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... e.g., CXR, CT, ultrasound ... Inflammation (e.g., fever ... symptoms (e.g., ... #Pulmonolary
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
- Differential Diagnosis ... Asthma • COPD • Pneumonia ... effusion/Tamponade Hematologic ... • Temperature/FEVER ... #Differential #Diagnosis
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Abnormal Abdominal Ultrasound ... Chronic Chest Symptoms ... #Algorithm #Causes ... #Hematology
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Algorithm Transudate ... Infectious: • Pneumonia ... #Diagnosis #Algorithm ... #Hepatology #causes
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Clinical manifestations ... cough, dyspnea, fever ... - Diagnosis: ... #ILD #diagnosis
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Workup • CNS symptoms ... Returning Traveler’ algorithm ... node biopsy • Clinical ... values supporting hematologic ... UnknownOrigin #workup #diagnosis
Pneumocystis jirovecii Pneumonia 
Clinical 
 • Caused by Pneumocystis jirovecii (formerly carinil) 
 • Immunocompromised host
Clinical • ... Caused by Pneumocystis ... CD4 < 200 • Symptoms ... 2—3 weeks • Fever ... #Diagnosis #Management