153 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• CT: Halo sign ... Legionella: • Nausea ... factor • May cause ... , pleural effusion ... Infections #HIV #AIDS #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... pleura in severe cases ... Possible bilateral effusion ... submassive PE) POCUS ... #Lung #POCUS #ultrasound
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
760 mm Hg at sea level ... lung diseases, pulmonary ... : Pneumonia, asthma ... , COPD, pulmonary ... shunting (eg, pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Pericardial • Effusion ... Abnormalities • Pleural Effusions ... Alveoli • Pneumonia ... Diagnosis #Algorithm #Causes
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... • Infectious Causes ... Non-Infectious Causes ... , Pulmonary embolism ... Reverse #Halo #Sign
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... lung disease • Pulmonary ... Malformation • Severe Pneumonia ... Diagnosis #Algorithm #Causes ... #Pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... cough, dyspnea, fever ... Rare: pleural effusions ... , Pulmonary lymphoma ... Treatment: •
Right pleural effusion with "spine sign" seen beautifully by using large footprint curvilinear transducer on lung
Right pleural effusion ... with "spine sign ... Care Ultrasound (POCUS ... #Clinical #POCUS ... #ultrasound #pulmonary
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
deep breathing Pulmonary ... Asthma • COPD • Pneumonia ... Tachypnea: • Pulmonary ... • Pericardial effusion ... • Temperature/FEVER
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
Causes of Orthopnea ... Anxiety • Pleural Effusion ... Edema • Severe Pneumonia ... Differential #Diagnosis #Causes ... #pulmonary