9 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Disease (Asthma, COPD ... • Interstitial lung ... Malformation • Severe Pneumonia ... Diagnosis #Algorithm #Causes
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... : - Consolidation ... - Supleural Consolidations ... pleura in severe cases ... sliding COPD or
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... complete ring of consolidation ... • Infectious Causes ... Non-Infectious Causes ... Dermatomyositis, Lung
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
: Interstitial lung ... direction leads to hypoxemia ... • Causes: Pneumonia ... , asthma, COPD, ... Respiratory #Failure #hypoxia
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• CT: Halo sign ... dyspnea • Lobar consolidation ... Legionella: • Nausea ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Lung Findings on Physical Exam
Crackles:
 • Short, discontinuous, sounds mostly heard during inspiration
 • Caused by
Lung Findings on ... alveoli as seen in pulmonary ... edema and pneumonia ... words louder #Lung ... PhysicalExam #diagnosis #signs
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Nasal polyps and signs ... centrilobular nodules, or consolidation ... in the adjacent lung ... of the affected lung
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... consider infarction, hypoxia ... Occasional sighs ... Breathing In lung ... Breathing #Patterns #Pulmonary
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
some red blood cells ... in the lung due ... • Signs/Symptoms ... dyspnea, tachypnea, hypoxemia ... • Signs/Symptoms