9 results
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Diagnosis Algorithm ... Pericardial • Effusion ... Arrhythmia • Atrial ... Diagnosis #Algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... Hypoxemia #Hypoxia #Differential ... #Diagnosis #Algorithm ... #pulmonary #Aa
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... Arterial Hypertension ... Hypoxemia #Hypoxia #Differential ... #Diagnosis #Algorithm
Pediatric Dyspnea - Differential Diagnosis Algorithm
Stridor:
 • Croup
 • Foreign Body
 • Tracheitis
 • Epiglottitis
 •
Diagnosis Algorithm ... Body • Pleural Effusion ... Ketoacidosis • Pulmonary ... Embolism #Dyspnea #SOB ... #Diagnosis #Algorithm
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Diagnosis Algorithm ... Only: • Poor Perfusion ... Total Anomalous Pulmonary ... Transposition of the Great Arteries ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Disease and more • Diffusion ... UnremarkableLab #AA ... Gradient #alveolar #arterial ... #hypoxemia #differential ... #diagnosis
Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <
Pulmonary Function ... Test (PFT) Interpretation ... Algorithm Approach ... (diffusion defect ... #Algorithm #diagnosis
Causes of Ischemic Stroke - Differential Diagnosis Algorithm
Thrombosis - Atherosclerosis, Arterial Dissection, Fibromuscular Dysplasia
 - Large
Ischemic Stroke - Differential ... Diagnosis Algorithm ... infarction • Pulmonary ... • Pericardial effusion ... #Diagnosis #Algorithm
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Diagnosis: Causes ... - Rapid saline infusion ... Classically” noted with pulmonary ... #Diagnosis #Summary