138 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Intracardiac, Pulmonary ... Hepatopulmonary Syndrome ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary
Hyperthermic Syndromes - This table summarizes the similarities and differences between some toxicologic causes of hyperthermic
Hyperthermic Syndromes ... - This table summarizes ... some toxicologic causes ... • Serotonin syndrome ... #Comparison #Table
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... Hypoxemia #summary #pulmonary ... differential #diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
HYPOVENTILATION • Rising PaCO2 ... obesity-hypoventilation syndrome ... lung diseases, pulmonary ... asthma, COPD, pulmonary ... hepatopulmonary syndrome
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Artery Disease • Stable ... Acute Coronary Syndrome ... Pleural Thickening/Masses ... Diagnosis #Algorithm #Causes
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 ... D-lactate (short bowel syndrome ... Classically” noted with pulmonary
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Causes of Cough ... Bronchiectasis - Pulmonary ... Mitral Stenosis - Pulmonary ... #Differential #Causes ... #Table
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
Causes of Pleural Effusions
#Diagnosis #Pulmonary #PleuralEffusions #Differential #Table #Transudative #Exudative
Causes of Pleural ... Effusions #Diagnosis #Pulmonary ... #Differential #Table
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Respiratory Distress Syndrome ... consistent with pulmonary ... lung collapse, or pulmonary ... - 200 mm Hg < PaO2 ... Respiratory #Distress #Syndrome