12 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease, ↓ chest ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary ... #Aa #Gradient
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Arterial Hypertension ... Abnormalities • Chest ... #Hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... compression (e.g., hematoma ... pneumonia • Water: pulmonary ... #Hypoxia #differential ... Algorithm #rapid #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... UnremarkableLab #AA ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
claudication - Arterial ... Onset 50 yrs - Cranial ... sinusitis - pulmonary ... Coronaries #Arteritis #Differential ... Diagnosis #Cardiology #Table
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Artery Disease • Stable ... Arrhythmia • Atrial ... Thickening/Masses Chest ... #Dyspnea #SOB #Differential
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Red Flags and Differential ... , epidural hematoma ... Homeostasis - Hypoxia ... Amy Chung, MD, MSc ... Headaches #diagnosis #differential
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... evidence of left atrial ... infiltrates on chest ... of the spiral arteries ... edema #causes #differential
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Broncholithiasis - Differential ... into the aorta or pulmonary ... Endobronchial hamartoma ... Broncholithiasis #Differential ... #Diagnosis #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Loss of weight • Chest ... polycythemia from chronic hypoxia ... CT) • Broncho-arterial ... #differential #