88 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Diagnosis Definition: A ... focal rounded area ... surrounded by a ... • Infectious Causes ... Dermatomyositis, Lung
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Rapid onset of a ... Legionella: • Nausea ... factor • May cause ... : • Focal pneumonia ... Infections #HIV #AIDS #pulmonary
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Causes of Acute ... Tamponade* • CHF ... Parenchymal • Pneumonia ... Vascular • Pulmonary ... #Causes
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
PA-film shows a ... anteriorly in the left lung ... due to a pneumonia ... caused by Sterptococcus ... #Clinical #Radiology
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis Algorithm ... leaking out of pulmonary ... Diseases #ILD #Causes ... Differential #Diagnosis #Algorithm
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
right hilus is in a ... is most likely a ... weight loss or long ... caused by Streptcoccus ... #Clinical #Radiology
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... Alveoli • Pneumonia ... Interstitium • ILD • CHF ... #Causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... • Interstitial lung ... Malformation • Severe Pneumonia ... #Causes #Pulmonary
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
deep breathing Pulmonary ... Asthma • COPD • Pneumonia ... • CHF • Pneumothorax ... • Paradoxical vocal ... Tachypnea: • Pulmonary
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
transbronchial lung ... cHP = chronic hypersensitivity ... usual interstitial pneumonia ... #pneumonitis #pulmonary ... #diagnosis #algorithm