76 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
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
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of organizing pneumonia ... Unknown • 6-7 cases ... cough, dyspnea, fever ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary
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
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
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
necrophorum - Lemierre’s syndrome ... • Mycoplasma pneumoniae ... Chlamydophila pneumoniae ... - Bronchitis, pneumonia ... #differential #causes
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... and other non-pulmonary ... Lobar pneumonia ... Pulmonary hemorrhage ... with low oxygen level