26 results
D-Sign on Ultrasound
Right Ventricular Pressure vs Volume Overload
Eccentricity Index (EI) = D2/D1
RV Overload “D Sign” EI
D-Sign on Ultrasound ... RV Overload “D Sign ... #Ultrasound #echocardiogram ... #psax #diagnosis ... #cardiology #pocus
Guillain-Barre Syndrome
An acute polyneuropathy (disorder Of the peripheral nervous System).
Symptoms are Often symmetrical and progress Over
disorder Of the peripheral ... GuillainBarre #Syndrome #Diagnosis ... #Neurology #Signs
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 ... Parinauds #Syndrome #diagnosis ... #pineal #neurology
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Echocardiogram ... Differential/diagnosis ... RV, McConnell's sign ... A4c #clinical #cardiology ... #McConnells #sign
Echocardiographic Findings of Acute Right Ventricular Strain
 - Increased RV:LV Size Ratio
 - Abnormal Septal Motion
- McConnell's Sign ... Notching - 60/60 Sign ... #RV #Strain #Echocardiogram ... #POCUS #diagnosis ... #POCUS
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Rotary Movement Peripheral ... symptoms/signs, ... Glomus Tumors - Vascular ... Dizziness #Vertigo #Neurology
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Reverse Halo Sign ... Bilateral Peripheral ... Halo Sign 6. ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
retraction (Collier's sign ... "setting sun" sign ... • Vascular disease ... Parinauds #syndrome #neurology ... #diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... or minutes with vascular ... Central #Vertigo #diagnosis ... #findings #signs ... symptoms #comparison #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Lesions Of The Peripheral ... Lack of UMN/LMN signs ... aminotransferases • Serology ... #neurology