11 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Ventricular Septal Defect ... ** • Atrial Septal ... Defect Pulmonary ... Diagnosis #Algorithm #Causes
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Management Summary A defect ... lung disease Caused ... defect (Type 1) ... (Type 2) Clinical ... • Oxygenation defect
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
defects) VENTILATION ... direction leads to hypoxemia ... shunting (eg, atrial ... ventricular septal defects ... Respiratory #Failure #hypoxia
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Ventricular Septal Defect ... Atrioventricular Septal Defect ... Arteriosus • Atrial ... Septal Defect ... Total Anomalous Pulmonary
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Effect in Right ... left to right shunt ... 2. ... #Effect #Right ... #pocus #bubble
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Disease and more • Diffusion ... Defect: Pulmonary ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
liver disease and pulmonary ... Early transit of bubbles ... = PFO 2. ... as RAP>LAP as atrial ... clinical #pocus #a4c
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Reduced tissue perfusion ... output - Acute pulmonary ... ’s • Reduced Arterial ... Neoplasia/Warburg effect ... B3: Hereditary Defects
Intraarticular Chondroma - MSK Radiology
Imaging Findings:
 • Subtle soft-tissue infrapatellar mass seen obscuring Hoffa's fat pad.
Intraarticular Chondroma - MSK ... Case description ... Usually NOT joint effusions ... • Post-contrast ... symptoms due to mass effect
Acromegaly - Diagnosis and Management Summary - GrepMed Handbook 

Clinical Presentation: 
 • Classic Acromegaly: frontal
decade → peripheral/acral ... before epiphyseal fusion ... 2 adenoma mass effect ... Pituitary MRI+contrast ... or refractory cases