BTR Flashcards
Meissener corpuscles
MC- most common(numerous)
In Non Hairy skin only
Messi- fast moving touch and two point discrimination
Pacinian corpuscles
Pc -largest receptor as largest star
But sensitive
And High frequency vibration
Onion shape
Hair end organ
Fast
Hair movement
Merkel cells
Slow adaptation
Epidermis
Edge
Braille
Skin stretch, pressure
Max in joint capsule
Ruffini’s corpuscles
C fibers
Itching and slow pain
Via Subs p
Fast adapting receptor
Mc
Pc
Hair end organ
Erlanger Grasser classification
A (alpha beta gamma delta)
B
C
A alpha
Propioception
Somatic motor
120 m/sec
A beta
Beta treated with touch and pressure
A gamma
Efferent to muscle spindle
A delta
Fast pain , temp (cold)
C fibers
Slow pain , warm temp
Post ganglionic symp
Local anesthetic sensitivity
A gamma >delta>alpha>beta>B>C
Pressure sensitivity
A>B>C
Hypoxia
B>A>C
Awake EEG Wave
Beta
Awake eyes closed wave?
Alpha
Stage N1 (5%)
Theta
Problem solving eeg
Gamma wave
Stage N2 eeg
Sleep spindles and K complexes
Stage N3 eeg
Delta
REM SLEEP EEG
Beta , PGO
Night mares and night terror
Mares - Memory
In REM
Stage NREM
N1
N2 Bruxism
N3 Night walking
Nocturnal enuresis
Night terrors
Sleep changes in elderly
Decrease in REM sleep
Decrease N3
Sleep changes in depression.
Increase in REM sleep time
Decrease Rem Latency
Decrease N3 repeated night time awakenings
Early morning awakening
Sleep Changes in narcolepsy
Decrease REM LATENCY
SNpc
Dopamine
Main regulator of basal ganglia
STN
Glutamate as Nt
Contralateral hemiballismus
Caudate disorder
Chorea
Gaba release
Globus pallidus
Athetosis
(Global athelete)
Hypothalamic
Lateral nucleus
Hunger and anger
Mediated by Grehlin
Thalamic nuclei
VPL
ST/DC —-> BODY(Pain , temp , touch) and Vibration —>3,1,2
Thalamic nuclei
VPM
ST/DC—>FACE/TASTE—>3,1,2
LGN
Optic tracts/SC—> Vision—>1° visual cortex(17)
MEDIAL GENICULATE NUCLEUS
LL/IC—>HEARING—->AUDITORY CORTEX
Thalamic nuclei
Ventral anterior/lateral nucleus
BG/cerebellum—>motor cortex
Hypothalamic nucleus
Lateral
Hunger and anger (by Grehlin)
Hypothalamic nucleus
VM
Satiety (leptin)
Hypothalamic nucleus
Anterior
Ac –> cooling
Hypothalamic nucleus
Suprachiasmatic
Circadian rythm(melatonin)
Hypothalamic nucleus
SON AND PVN
SAD(ADH)
POX(OXYTOCIN)
Hypothalamic nucleus
Preoptic nucleus
Sexual response(GnRH)
Related to kallman sx.
Gaba agonist
BZD(Inc freq)
Topiramates
Phenobarbi(durates)
Increase GABA RELEASE
Pregabalin
Gabapentin
Gaba reuptake inhibitor
Tiagabine
GABA transaminase inhibitor
Vigabatrin
Vigabatrin
Visual field defect
Gaba transaminase inhibitor
AMPA receptor blocker
PerAMPANEL
NMDA RECEPTOR blocker
FELBAMATE
K+ channel opener
Retigabine / Ezogabine
SV2A RECEPTOR BLOCKER
Levetiracetam
Block exostosis of Na and Ca synaptic vessicle
Ethosuximide
Gapapentin
Ca channel blocker
Carbamazapine s/e
Ataxia
Blood dyscracias
Cleft lip and palate
Cyt p450 induction
Diplopia
SIADH(MORE WITH OXCARBAZEPINE)¤
SJS
Phenytoin side effect
P P450 Indn , pseudolymphoma
H irsuitism
Enlarged gums
Nystagmus
Yellow brown skin
Teratogenicity
Osteopenia
Inhibited folate absorption
Neuropathy
Lamotrigine
SJS
Hemophagocytic lymphohistiocytosis
Doc Focal seizures
Carbamazepine
D o c focal seizures in elderly
Lamotrigine
DOC trigeminal Neuralgia
CBZ
DOC
TYPICAL ABSENCE SEIZURE
Atypical
Ethosuximide
Valproate
DOC
INFANTILE SPASM
ACTH
DOC
INFANTILE SPASM IN TSC
Vigabatrine
DOC NEONATAL SEIZURE
Phenobarital
DOC
FEBRILE SEIZURE
Diazepam
DOC
STATUS EPILEPTICUS
Lorazepam
BZD APPROVED IN LGS
Clobazam
DOC GTCS/JME/LGS
Valproate
Seizure DOC IN PREGNANCY
Levitiracetam/lamotrigine
Decussation at spinal cord and asc contralateral
Lateral Spinothalamic tract
Pain and temp
Ascends I/L
Decussate at medulla as medial leminuscus
Dorsal column tract
Desends from 1° motor cortex
Decussate at medulla
Go to AHC
Corticospinal tracts
Brown sequard
LMN AT LEVEL OF LESION
BELOW THE LESION
I/L CORTICOSPINAL AND DORSAL COLUMN
C/L SPINOTHALAMIC LOSS
Ant 2/3 rd cord affected
Ant spinal artery infarct
Only DC is working
Post column affected with DRG
Tabes dorsalis
(Tertiary syphillis)
Loss of joint position
Argyl robertson pupil
Lancenating pain
Cape ljne loss of temp and sensation
Syringomyelia
DC and corticospinal loss
SACD IN B12 DEF , CU Def , HIV
AHC AFFECTED
Acute flaccid paralysis
In poliomyelitis
B/l symmetrical AHC
LMN PALSY
WERNIG HOFFMAN DISEASE/SPINAL MUSCULAR ATROPHY
(FLOPPY BABY)
UMN + LMN
ALS
(LEU GEHRIG DISEASE)
ALS
Riluzole
(NMDA blocker)
Edavarone
SCN1A
Dravet syndrome
Doc Valproate
EPM2A DEFECT
Lafora ds.
1st drug in seizure (early se)
Iv BZD lorazepam 0.1 mg/kg
Then Phenytoin
Established SE
IV midaz or propofol
Then any other anti epileptic
Refractory Status epilepticus
Pentobarbitone 5 mg/kg
Myotonia congenita
CLCN1 DISORDER
Hyperkalemic periodic paralysis
SCN4A Na channel problem
Kalemic not related to potassium
Hypokalemic periodic parslysis
CaCNA1S Ca channel
SCN4A
Anderson tawil sx
KCNJ2