12 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Pulmonary Arterial ... Defect ** • Atrial ... Septal Defect ... #Hypoxia #Differential
Degenerated Left Atrial Myxoma on Echocardiogram (PLAX)
A 68-year-old gentleman with progressive shortness of breath and cystic
Degenerated Left ... Atrial Myxoma on ... Final diagnosis ... #Degenerated #Atrial ... clinical #cardiology #pocus
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
variant • fetal ... anæmia • arterial ... hypoxemia - ... #Right #Shift #Differential ... #Causes #Diagnosis
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Oxygenation - Differential ... Diagnosis Algorithm ... Decreased Maternal Arterial ... Vasculopathy (SLE, Type 1 ... #Oxygenation #Hypoxia
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
from right to left ... • ElA ratio << 1 ... Differentiating #PAH #PVH #Echocardiogram ... #comparison #diagnosis ... cardiology #pulmonary #arterial
Portopulmonary Hypertension
Presence of pulmonary arterial hypertension in a patient with portal hypertension
No other obvious causes (chronic
Presence of pulmonary arterial ... lung disease, left ... Transthoracic echocardiogram ... ventricular size, Right atrial ... of ventricular septum
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Hypertension 1. ... Pulmonary arterial ... Idiopathic pulmonary arterial ... disease and/or hypoxia ... #Differential #
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
- Differential ... Diagnosis 1. ... ASD or PFO with left ... #clinical #echocardiogram ... #s4c #pocus #bubble
Transesophageal Echocardiogram (TEE) Windows
1. ME 5-Chamber view 
2. ME 4-Chamber view 
3. ME-Commissural view 
4. ME
Transesophageal Echocardiogram ... (TEE) Windows 1. ... Upper Right & Left ... ME Left Atrial Appendage ... Windows #Views #diagnosis
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
Double Shunt on Echocardiogram ... 1. ... as RAP>LAP as atrial ... septum shifts left ... #clinical #pocus