58 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Hypoventilation Syndrome ... #Diagnosis #Algorithm ... #Causes #Pulmonary
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... – ARDS: Clinical ... congestion with hypoxemia ... be detected on CT ... #CheatSheet #Diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... 760 mm Hg at sea level ... direction leads to hypoxemia ... hepatopulmonary syndrome ... #Differential #Diagnosis
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Algorithm Massive ... Vasculitis Infection ... Goodpasture's Syndrome ... #Algorithm #Causes
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... : Atelectasis, ARDS ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Algorithm Red ... Flags: • Fever ... sweats, chills (infection ... refer + order CT ... #Algorithm #causes
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
sliding: Pulmonary ... edema, ARDS, interstitial ... diffuse infections ... NOT definitively diagnose ... #POCUS #clinical
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
vasoconstriction syndrome ... brain injury • Infectious ... Hypocalcemia, Cerebral Hypoxia ... , Uremia, Liver ... #Algorithm #Causes
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Algorithm Transudate ... Pneumonectomy • Trapped lung ... Urinothorax Exudate - Infectious ... #Diagnosis #Algorithm
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Chronic cough • Hypoxia ... Most Common Causes ... in the adjacent lung ... high-resolution chest CT