13 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
hallucis longus Differential ... diagnosis for similar ... torn ligament on MRI ... osteochondral lesion ... #diagnosis #msk
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Shock Types and Classification
DISTRIBUTIVE 66%
 • Sepsis/SIRS, anaphylaxis, adrenal insufficiency, liver failure, toxins, spinal/neurogenic
 • Warm
DISTRIBUTIVE 66% • Sepsis ... CARDIOGENIC 16% • MI ... Classification #diagnosis ... #differential # ... criticalcare
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Eclampsia, Infection/Sepsis ... showing cortical lesions ... Reversible course Differential ... #management #neurology
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Diagnosis Framework ... failure, acute MI ... • Mechanical → tension ... #comparison #criticalcare
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Differential diagnosis ... : Posterior capsuloligamentous ... shoulder #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Disorders ATL With Posterior ... Pons: ODS #MRI ... Disorders #Clinical #Differential ... #Diagnosis #Radiology ... #Neurology
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
• OBSTRUCTIVE: Tension ... DISTRIBUTIVE: Sepsis ... Undifferentiated #Shock #diagnosis ... #differential # ... guyton #curves #criticalcare
Mechanical Complications in Acute Myocardial Infarction
Acute LV/RV Dysfunction:
 • Regional wall motion, systolic and diastolic function,
: • Posterior ... infarct in apical region ... Infarction #acuteMI #cardiology ... #differential # ... diagnosis #timeline
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Diagnosis: • ... perineum, and posterior ... Imaging studies: • MRI ... #diagnosis #causes ... #neurology