30 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
, Muscular Weakness ... Edema, Atelectasis ... UnremarkableLab #AA ... Gradient #alveolar #arterial ... #hypoxemia #differential
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Disease - MSK Radiology ... • MRI is more sensitive ... tibial tuberosity Differential ... Schlatter #Disease #Knee ... #mri #clinical
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... hallucis longus Differential ... #clinical #mri ... #clinical #Radiology
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
normal-sized heart and ... vascular structures ... help in the differential ... oedema due to heart ... #Clinical #Radiology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
lesion) - MSK Radiology ... atraumatic adolescent knee ... (save $$) Differential ... #lesion #clinical ... #mri #clinical
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Stroke Volume / Arterial ... less compliant arteries ... disorders - Chronic pulmonary ... Acute Coronary Syndrome ... Infarction • Pulmonary
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... Neuro Behcets Vascular ... Lesions #Brain #differential ... diagnosis #causes #radiology
Restrictive Cardiomyopathy - Diagnosis and Causes
Clinical: Dyspnea, Exercise Intolerance, ↑ "Right Sided-Symptoms" (ascites, hepatomegaly, ↑↑peripheral edema)
Physical
Causes Clinical ... , ↑↑peripheral edema ... Echocardiography, Cardiac MRI ... Hyper-eosinophilc Syndrome ... Diagnosis #Causes #differential
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
Clinical suspicion ... Amyloidosis Clinical ... : • Nephrotic syndrome ... activity of factor X, vascular ... enlargement • MRI
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... T2-hyperintense and ... Differential diagnosis ... calcaneus with marrow edema ... #mri #clinical