21 results
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
retraction (Collier's sign ... → "setting sun sign ... " - Vascular disease ... #diagnosis #pineal ... #neurology
There are about a dozen x-ray findings, but two of them are especially important: Loss of
and the calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR ... #ChestXRay #AorticKnob
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... retraction (Collier's sign ... "setting sun" sign ... • Vascular disease ... #neurology #diagnosis
There are about a dozen x-ray findings, but two of them are especially important: Loss of
and the calcium sign ... positive calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR ... #ChestXRay #Aortic
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Algorithm True ... symptoms/signs, ... Glomus Tumors - Vascular ... #Algorithm #Causes
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Algorithm Red ... papilledema • Horner syndrome ... • Meningeal signs ... Systemic symptoms and signs ... #Algorithm #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... injury, often from vascular ... #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics #neurology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... and Differential Diagnosis ... clinical context and signs ... • Cardio-renal syndrome ... #AKI #Workup #Algorithm
Silhouette Sign on Chest X-Ray
Loss of the margin between two opposing structures of the same radiographic
Silhouette Sign ... #Silhouette #Sign ... #ChestXRay #CXR ... #diagnosis #radiology
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... acute HF → no signs ... of CXR congestion