54 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... reaches the alveoli) PaO2 ... Low SvO2 → Low PaO2 ... Hypoxemia #summary #pulmonary ... differential #diagnosis #causes
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
arterial oxygen (PaO2 ... compensate for low PaO2 ... differential #diagnosis #comparison ... #pulmonary
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
vs Venous Blood Gases ... looks like (pH, PaCO2 ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Oxygen Saturation - Measurement Techniques and Limitations
 • Sp02 - Cutaneous pulse oximeter
 • SaO2 Calculated
pulse oximeter • SaO2 ... ABG device • SaO2 ... #Measurement #pulmonary ... #diagnosis #comparison
Pulmonary Vascular Resistance vs Systemic Vascular Resistance

#Pulmonary #Vascular #Resistance #Systemic #Comparison #pulmonaryhypertension #PHTN #pathophysiology #anesthesiology #anesthesia
Pulmonary Vascular ... Resistance #Pulmonary ... Resistance #Systemic #Comparison ... anesthesiology #anesthesia #causes
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... heart defect - Pulmonary ... diseases - Pulmonary ... Central #Cardiology #Causes ... #Table #Comparison
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Oxygen therapy - Pulmonary ... cause can improve ... Arterial blood gas - pO2 ... Arterial blood gas - pO2 ... Central #Peripheral #Comparison
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
HYPOVENTILATION • Rising PaCO2 ... lung diseases, pulmonary ... asthma, COPD, pulmonary ... shunting (eg, pulmonary ... Differential #Diagnosis #pulmonary
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Physical Exam The case ... there is a drop in SaO2 ... to 90% (and in paO2 ... #respiratory #pulmonary
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Acetazolamide Causes ... Classically” noted with pulmonary