49 results
Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
Exaggerated startle reflex ... BehavioralDisorder #Pathophysiology ... #diagnosis #symptoms ... #signs #psychiatry
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
: Commonly no signs ... , Fragile bones/ ... easily/weakness, Bone ... /joint pain Psychiatric ... Secondary #Tertiary #pathophysiology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
gene mutated in all ... Retinoblastoma Signs ... partial retinal red reflex ... Retinoblastoma #pathophysiology ... ophthalmology #diagnosis #signs
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
variety known as ... Loss of Corneal Reflex ... #Bells #Palsy #Neurology ... #Signs #Symptoms
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
cases Clinical Signs ... years - May have signs ... numbness, decreased reflexes ... Pathophysiology ... of bacilli to bone
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
Brudzinski’s Sign ... Brudzinski's sign ... While the pathophysiology ... an involuntary reflex ... PhysicalExam #Pediatrics #Peds
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome Signs ... /Symptoms/Complications ... Infertility • Decr Bone ... Syndrome #genetics #pathophysiology ... #peds #pediatrics
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Weakness, Incr CK • Bone ... • Myopathy (Also ... Complications #pathophysiology ... #signs #symptoms
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
lumbar spine Signs ... of normal leg reflexes ... • As soon as ... Syndrome #MSK #pathophysiology ... #signs
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... horizontal movements; also ... Motor/Sensory: • Tone ... • Examine for signs ... #PhysicalExam #neurology