10 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Wall Elasticity (flail ... chest) • Low ... : Atelectasis, ARDS ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory Distress ... SyndromeARDS ... : Clinical Cheat ... leading to increased pulmonary ... consistent with pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Syndrome (ARDS) ... consistent with pulmonary ... be present on a chest ... lobar collapse, lung ... #Syndrome #Berlin
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... Acute Respiratory Distress ... Syndrome (ARDS) ... sliding Pulmonary ... #differential #
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... Acute respiratory distress ... syndrome (ARDS) ... Transfusion-related acute lung ... #edema #NCPE #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonectomy if fail ... Aeruginosa - Strep ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... organism identified, Strep ... failure, COPD, Lung ... /- High res CT chest ... diagnosis #evaluation #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Pneumonia: • 3 syndromes ... of a "flu-like syndrome ... Infections #HIV #AIDS ... #pulmonary #differential
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
organizing pneumonia, ARDS ... acute respiratory distress ... syndrome) is rare ... Pleuritic chest ... reticular opacities on chest
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Differential Diagnosis ... receptors: Hemothorax, Flail ... chest, Cardiac ... failure, Pulmonary ... syndrome, Barotrauma