21 results
Large Atrial Septal Defect and clearly not a PFO. I want to personally thank all the
Large Atrial Septal ... Defect and clearly ... opportunity for clarification ... Echocardiogram #A4C ... #ASD #Large #SeptalDefect
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... oxygen dissolved in arterial ... hemoglobin in arterial ... oxygen content of arterial ... #pulmonary #differential
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... Pulmonary arterial ... /or hypoxia Chronic ... Hypertension #PHTN #Classification ... #Diagnosis #Differential
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
(HPS) HPS-differential ... Pulmonary vasculature ... Pleura and diaphragm ... Alveolar-arterial ... HPS-severity classification
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
ARDS, Pneumonia and ... Interstitial Disease and ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Hypertension - Differential ... Arterial Hypertension ... Lung Disease and ... /or Hypoxemia:
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 #
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
disorders - Chronic pulmonary ... of developing atrial ... mmHg developed atrial ... • Infective Endocarditis ... Infarction • Pulmonary
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... Libman Sacks) • Atrial ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... Paradoxical emboli via ASD
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
Shock Types - Classification ... tissue hypoxia ... failure from massive pulmonary ... embolism or severe pulmonary ... #criticalcare #differential