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Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most ... patterns on a chest ... Consolidation - ... mass - Solitary Pulmonary ... Nodule - Multiple Masses
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... and other non-pulmonary ... Here we have a number ... between these chest ... Pulmonary hemorrhage
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... Pneumonia: - Consolidation ... - Supleural Consolidations ... pleura in severe cases ... A-Lines - Deep Vein
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... • Myocarditis Pulmonary ... Embolism (chest ... Hypertension - Chest ... /Panic • Herpes
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
evidence of a chest ... e.g., CXR, CT, ultrasound ... procalcitonin) - Pulmonary ... production, pleuritic chest ... Diagram #Diagnosis #Pulmonolary
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... galactomannan, HSV herpes ... Aspergillosis CONSOLIDATION ... #CT #Patterns #Pulmonary ... Differential #Diagnosis #Chest
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
infarction In pulmonar ... Here we see an old ... chest film, which ... The pulmonary embolus ... density on the chest
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... life-threatening causes ... Pneumothorax • Pulmonary ... EKG • Bedside ultrasound ... MatthewHoMD #Chest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Hemorrhage, Edema • Consolidation ... Honeycombing: Idiopathic Pulmonary ... High #Resolution #HiRes ... #HighRes #Chest
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Abnormal Abdominal Ultrasound ... Cyanosis without Pulmonary ... Disease Abnormal Chest ... Snoring Chronic Chest