14 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #pulmonary #Aa
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Abnormalities #Hypoxemia ... #Hypoxia #Differential ... #Causes #Pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... , Interstitial Lung ... UnremarkableLab #AA ... #Hypoxia #hypoxemia ... #differential #
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Pulmonary Arterial ... Disease and/or Hypoxemia ... #Causes
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
of Respiratory Acid-Base ... Hypoxemia or tissue ... hypoxia: High altitude ... #respiratory #acidbase ... #diagnosis #causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
M Methanol A ... , pain, fever, hypoxia ... with associated hypoxia ... or restrictive lung ... MDaniyalHashmi1 #AcidBase
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... polycythemia from chronic hypoxia ... for bacteria and Acid ... Immunoglobulins (Ig M, A, ... #differential #
Causes of Intrauterine Growth Restriction / Small for Gestational Age - Differential Diagnosis Algorithm
Fetal Factors:
 -
Causes of Intrauterine ... Diagnosis Algorithm ... Drugs - Maternal Hypoxemia ... • Pulmonary ... • Folic acid
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
usually: - hypoxemia ... patient with shock/hypoxemia ... hypoperfusion/ hypoxemia ... output - Acute pulmonary ... Oxygen Content: - Hypoxemia
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
ALKI (activin A ... and/or hypoxia ... Interstitial lung ... Classification #Diagnosis #Differential ... #Causes