27 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Arterial Hypertension ... Defect ** • Atrial ... #Hypoxia #Differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
oxygen dissolved in arterial ... hemoglobin in arterial ... oxygen content of arterial ... #pulmonary #differential ... #diagnosis #causes
Causes of Ischemic Stroke - Differential Diagnosis Algorithm
Thrombosis - Atherosclerosis, Arterial Dissection, Fibromuscular Dysplasia
 - Large
Causes of Ischemic ... Stroke - Differential ... Atherosclerosis, Arterial ... Valvular • Atrial ... infarction • Pulmonary
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Hypertension - Differential ... Arterial Hypertension ... Disease - HIV Left-Sided ... Disease and/or Hypoxemia
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
ARRYTHMIA • ATRIAL ... FIBRILLATION • ATRIAL ... TACHYCARDIA • ATRIAL ... DISEASE • HYPOXIA ... #Differential #
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Causes of Cyanosis ... the Newborn - Differential ... Arteriosus • Atrial ... Total Anomalous Pulmonary ... Return Right-to-Left
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... direction leads to hypoxemia ... shunting (eg, atrial ... Respiratory #Failure #hypoxia ... #Differential #
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Pulmonary arterial ... arterial hypertension ... due to left heart ... disease and/or hypoxia ... #Causes
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
Dissociation Curve Left ... anæmia • arterial ... hypoxemia - ... #Right #Shift #Differential ... #Causes #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Gradient • Right to Left ... Intracardiac, Pulmonary ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential