8 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Algorithm Ventilation ... • Interstitial lung ... Abnormalities • Chest ... #Hypoxia #Differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria ... week of a known clinical ... explained by pleural effusions ... lobar collapse, lung ... severity of the hypoxemia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Embolism, Obstructive Lung ... Disease and more • Diffusion ... , Interstitial Lung ... #hypoxemia #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
D D-lactate (short ... - Rapid saline infusion ... , pain, fever, hypoxia ... with associated hypoxia ... or restrictive lung
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... disease, pleuritic chest ... consider infarction, hypoxia ... , and stop for short ... Breathing In lung
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... • Traumatic brain ... dyspnea, tachypnea, hypoxemia ... edema #causes #differential
Clinical Presentations Suggestive of Infectious Diarrhea Etiologies
 • Persistent or chronic diarrhea - Cryptosporidium spp, Giardia
Clinical Presentations ... Cryptosporidium spp ... Cystoisospora belli ... or B. cereus (long ... Diarrhea #diagnosis #differential
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
has five major clinical ... fungal stain of clinical ... Inhalation of spores ... change in the lungs ... nails, bronchi, lungs