15 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Wall Elasticity (flail ... chest) • Low ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... , anti-GBM ab, ANA ... high resolution chest ... , biopsy By Tess ... #differential #
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Interpretation Steps ... Acute or chronic ... D-lactate (short bowel syndrome ... Classically” noted with pulmonary ... or restrictive lung
Chest Trauma Complications - Differential Diagnosis Algorithm
Cardiac:
 • Cardiac Tamponade*
 • Pericarditis
 • Myocardial Contusion
 •
- Differential ... Contusion • Acute ... Fractures • Flail ... Esophageal Injury Lung ... : • Pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
pneumonia (DIP), Acute ... Churg Strauss syndrome ... Eosinophilic pneumonia: Acute ... ILD #diagnosis #differential ... #pulmonary #causes
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... the severity Acute ... Respiratory Distress ... Syndrome (ARDS) ... #differential #
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Distress Syndrome ... ARDS: Clinical Cheat ... leading to increased pulmonary ... consistent with pulmonary ... RespiratoryDistress #Syndrome
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... • Diffuse Lung ... Disease • Acute ... Respiratory Distress ... Syndrome
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
organism identified, Strep ... failure, COPD, Lung ... /- High res CT chest ... DFA sputum, LDH, ABG ... diagnosis #evaluation #differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria for Acute ... Syndrome (ARDS) ... be present on a chest ... lobar collapse, lung ... #Syndrome #Berlin