12 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Ventricular Septal Defect ... ** • Atrial Septal ... Defect Pulmonary ... #Diagnosis #Algorithm
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Management Summary A defect ... defect (Type 1) ... (Type 2) Clinical ... cycles after right atrial ... • Oxygenation defect
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... defects) VENTILATION ... shunting (eg, atrial ... ventricular septal defects ... #Differential #Diagnosis
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
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
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Defect: Pulmonary ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
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
Intraarticular Chondroma - MSK Radiology
Imaging Findings:
 • Subtle soft-tissue infrapatellar mass seen obscuring Hoffa's fat pad.
Intraarticular Chondroma - MSK ... Usually NOT joint effusions ... • Post-contrast ... symptoms due to mass effect ... #msk
Acromegaly - Diagnosis and Management Summary - GrepMed Handbook 

Clinical Presentation: 
 • Classic Acromegaly: frontal
decade → peripheral/acral ... before epiphyseal fusion ... effects: Headache ... 2 adenoma mass effect ... Pituitary MRI+contrast
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential Diagnosis ... laboratory or diagnostic ... output - Acute pulmonary ... ’s • Reduced Arterial ... Neoplasia/Warburg effect