109 results
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
flexion of the knees ... While the pathophysiology ... for the hip/knee ... is that hip and knee ... despite severe disease
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
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
Serotonin #Inhibitors #Pathophysiology ... #SideEffects #Psychiatry ... #Diagnosis #Signs
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
Leukemia) • GI diseases ... liver or kidney disease ... #Osteoporosis #pathophysiology ... #signs #symptoms ... #diagnosis
Confabulation
What? Honest Lie.  
No incoming sensory information + Filling of the blanks with different information
Diseases: Korsakoff ... Injury, Alzheimer's Disease ... Cortical Blindness, Psychiatric ... #differential #diagnosis ... #causes #neurology
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
- Differential Diagnosis ... Non-vertigo Organic Disease ... Problem • Drugs Psychiatric ... Disease • Depression ... Lightheadedness #Neurology
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... phase • Paget disease ... blade of grass sign ... @docskalski #Knee ... #Bone #Tumors #Diagnosis
Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
BehavioralDisorder #Pathophysiology ... #diagnosis #symptoms ... #signs #psychiatry
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
SerotoninNorepinephrine #Inhibitors #Pathophysiology ... #SideEffects #Psychiatry ... #Diagnosis #Signs
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
Lyme Disease: Early ... • Heralded by neurologic ... Large joints (knees ... WuidQ #Lyme #Disease ... #diagnosis #signs