144 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... sepsis) - High PaO2 ... Hypoxemia #summary #pulmonary ... differential #diagnosis #causes
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Differential Diagnosis Algorithm ... Respiratory Acidosis (pCO2 ... < 35 mmHg) #AcidBase ... Differential #Diagnosis #Algorithm ... #Causes #Compensation
Respiratory Acid-Base Disorders - Diagnosis Algorithm

#Respiratory #AcidBase #Disorders #Diagnosis #Algorithm #Pulmonary #Acidosis #Alkalosis
Disorders - Diagnosis Algorithm ... #Respiratory #AcidBase ... Disorders #Diagnosis #Algorithm ... #Pulmonary #Acidosis
Differential Diagnosis of Pleuritic Chest Pain:

Categorized by causes: Cardiac, Pulmonary, MSK, Drug/Toxins, Heme/Onc, Renal, Autoimmune

#Diagnosis #Pleuritic
Diagnosis of Pleuritic Chest ... Categorized by causes ... : Cardiac, Pulmonary ... Pleuritic #ChestPain #Causes ... #Differential #Algorithm
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... Embolism (chest ... Hypertension - Chest ... Differential #Diagnosis #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... Chest Wall Abnormalities ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Abnormalities • Chest ... Differential #Diagnosis #Algorithm ... #Causes #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 ... Classically” noted with pulmonary ... MDaniyalHashmi1 #AcidBase
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... be present on a chest ... lung collapse, or pulmonary ... - 200 mm Hg < PaO2 ... - 100 mm Hg < PaO2