16 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... hallucis longus Differential ... diagnosis for similar ... Trigonum #OsTrigonum #Syndrome ... #diagnosis #msk
Causes of Depressed / Lethargic Newborn - Differential Diagnosis Algorithm
Maternal Related:
 • Drugs (Ex. SSRI)
 •
Diagnosis Algorithm ... Respiratory Distress Syndrome ... Aspiration • Sepsis ... • Anemia • Shock ... #Causes #Peds #Pediatrics
Shock Types and Classification
DISTRIBUTIVE 66%
 • Sepsis/SIRS, anaphylaxis, adrenal insufficiency, liver failure, toxins, spinal/neurogenic
 • Warm
Shock Types and ... DISTRIBUTIVE 66% • Sepsis ... CARDIOGENIC 16% • MI ... Classification #diagnosis ... #differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Diagnosis Framework ... Distributive: Sepsis ... Abdominal compartment syndrome ... #Differential #
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
CCB, BB, BRASH syndrome ... • OBSTRUCTIVE: Tension ... DISTRIBUTIVE: Sepsis ... cytokine release syndrome ... #diagnosis #differential
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Diagnosis Framework ... failure, acute MI ... • Mechanical → tension ... anaphylaxis, release syndrome
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Eclampsia, Infection/Sepsis ... /Shock, Autoimmune ... showing cortical lesions ... Vascular narrowing on MRA ... Reversible course Differential
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
margin calcaneal posterior ... Differential diagnosis ... Often involves posterior ... Heel #clinical #mri ... #diagnosis #msk
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Inflammatory: infectious (sepsis ... O2 delivery • MI ... delivery • PE, Tension ... Classification #diagnosis ... #criticalcare #differential