25 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Malformation • Severe Pneumonia ... Hypoventilation Syndrome ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Diagnosis Framework ... : • 3 syndromes ... Constitutional symptoms ... Infections #HIV #AIDS #pulmonary
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Chest Pain - Differential ... Diagnosis Framework ... - Tamponade Pulmonary ... Costochondritis - Tietze syndrome ... Alveoli: - CHF - Pneumonia
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... symptoms (e.g., ... pleuritic chest pain ... signs (tachypnea, hypoxemia ... #Pulmonolary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Atelectasis, ARDS, Pneumonia ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... • Causes: Pneumonia ... #Differential # ... Diagnosis #pulmonary
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Diagnosis by Mechanism ... - Cirrhosis Syndrome ... hemorrhage) - Pulmonary ... pathology (e.g. pneumonia ... SSRIs) Severe pain
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation Symptoms ... Chronic cough • Hypoxia ... weight • Chest pain ... #differential # ... diagnosis
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... Signs/Symptoms: ... Pleuritic chest pain ... (LR + 2.7) • Hypoxia ... Management #treatment #Pulmonary
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Diagnosis Framework ... Streptococcus pneumoniae ... the following symptoms ... • Associated symptoms ... #diagnosis