122 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
: • 3 syndromes ... of a "flu-like syndrome ... Legionella: • Nausea ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... Churg Strauss syndrome ... #differential #pulmonary ... #causes
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... cough, dyspnea, fever ... , Pulmonary lymphoma ... Treatment: • ... #COP #BOOP #pulmonary
Summary of Infections in which Steroids play a role in treatment
 • TB meningitis
 • TB
play a role in treatment ... pericarditis (select cases ... Severe Pneumocystis pneumonia ... • COVID-19 pneumonia ... Severe typhoid fever
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
760 mm Hg at sea level ... obesity-hypoventilation syndrome ... : Pneumonia, asthma ... , COPD, pulmonary ... hepatopulmonary syndrome
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Acute Coronary Syndrome ... Pleural Thickening/Masses ... Alveoli • Pneumonia ... Diagnosis #Algorithm #Causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Malformation • Severe Pneumonia ... Hypoventilation Syndrome ... Diagnosis #Algorithm #Causes ... #Pulmonary
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Infectious: • Pneumonia ... Malignancy • Pulmonary ... Pleural #Effusion #Pulmonary ... Algorithm #Hepatology #causes
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
deep breathing Pulmonary ... Asthma • COPD • Pneumonia ... Tachypnea: • Pulmonary ... • Temperature/FEVER ... Differential #Diagnosis #pulmonary
Differential Diagnosis - Noninfectious Causes of Fever

CRITICAL DIAGNOSES:
 - Acute myocardial infarction
 - Pulmonary embolism or
Noninfectious Causes ... infarction - Pulmonary ... Neuroleptic malignant syndrome ... Postmyocardiotomy syndrome ... #Causes #Differential