Download MBBS Important Topics Central Nervous System CVS

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CENTRAL NERVOUS SYSTEM

INTRODUCTION
1. Name
2.Age
3. Sex
4. Handedness
5. Resident of
6. Education
7. Occupation
8. Informant
9. Reliability
CHIEF COMPLAINTS
1. Xxxxxx ? Onset and course
2.Yyyyyy ? onset and course
3.Zzzz7z77 ? onset and course
H/O PRESENT ILLNESS
1.LOC/Seizure
a. Onset
b. Activity at the time of incident
c. Preceded by
i. Chest pain/Palpitationsweating/nausea/ vomiting/
i. headache/giddiness/presyncope/visual
disturbance.
d. Associated with
i. Involuntary movt/Tonic/clonic/focal/generalized

AT T Ta o
i. Rolling up of eyes/stare/tongue bite/grunting noise
iii. Sphincter incontinence/abnormal breathing pattern
Lasted for (Duration)
Recovered after ? Spont/treatment
Post recovery ? drowsiness/confusion/weakness
Number of episodes
Sensorium in between episodes
Last episode
. Any injury sustained.
2. Disorientation
a.
b.
C.
d.
e.
To T/P/P
Episodic or continuous
Orientation between the episodes
Any abnormal behavior
Recovery
3. Speech disturbance
a.
?SQ "0 ao0oT
Onset
Comprehension
Any spontaneous speech/word outflow
. Slurring
Reading/writing/repetition
Progression
. Any stress during speaking
. Tightness/looseness in tongue
Paraphasias
4. Cranial Nerves
Smell to commonly used items

soap/shampoo/toothpaste
Il. Decreased visual acuity
Color vision
Color desaturation
Scotoma/Field defect
1.1V and Vi
i. Double vision
1. Monoocular/binocular
2. On primary gaze or evoked gaze
3. Horiontal/vertical
4. Disappears by (Closing eye)
i. Painin eyes on movements
iii. Ptosis ? Fatiguability/diurnal variation
iv. Features of Horners syndrome
IV. Same as above
V. Decreased/abnormal sensations over face, difficulty
in mastication.
VI. Same as above
VII. Deviation of angle of mouth
Facial asymmetry
Drooling of saliva
Difficulty in closing eyes
Difficulty in speaking
Taste impairment
VIII. Hearing impairement
Giddiness
Vertigo
Tinnitus
H/O CSOM
IX. AndX
Dysphagia ? solid/liquid/both

Dysphonia
Dysarthria
Nasal regurgitation
Hoarseness of voice/Nasal twang
X. Same as above
XI. Neck movements
Shrugging of shoulders
XIl. Ability to make the bolus of food
Ability to maneuver the food bolus inside the mouth
Tongue deviation
Dysarthria
5. Motor
a. Weakness (UMN)
i. Reaching overhead objects/taking comb to the head
ii. Lifting a bucket of water/breaking the chapaties
iii. Holding a glass of water/writing task in detail
iv. Holding the pen/grasping the comb
v. Difficulty in getting up from a chair/squatting
position
vi. Climbing up/down the stairs/gripping the chappals
vii. Chappals slips away with/without the knowledge
viii. Getting up from lying down position/Turns in the
bed
ix. Lifting the head off the bed
X. Breathlessness/ptosis/facial weakness/chewing
b. Dexterity
i. Buttoning/unbuttoning the shirt/ Breaking the
chapaties
ii. Tie the nada of payjama/shoe lace
iii. Negotiating the foot into the chappal
iv. Also ask about

Proximal/distal
Symmetrical/asymmetrical
Spasticity/wasting ? which is more?
Onset and progression of the weakness
5. Present status.
c. Weakness (LMN)
i. Looseness/fasciculations/wasting
ii. Which is earlier ? weakness or wasting
iii. Proximal/distal
iv. Symmetrical/asymmetrical
v. Periodicity/diurnal variation, fatiguability
vi. Selectivity of muscles
vii. Onset/course/progression
d. Cerebellar
i. Smearing of face/target oriented activities
ii. Tremors/Gait/Speech/Vertigo/Looseness of limbs
ii. Difficulty in reaching the objects
iv. Incoordination during picking up water/during
drinking.
e. EPS
i. Tremors at rest/Stiffness/expressionless face
ii. Bradykinesia ? during bath/dressing etc.
iii. Sleep/Memory/Handwriting/Hypophonia/Gait
iv. Difficulty in walking narrow paths (Pedestrian strip)
PowbhPE
f. Gait
i. Broad based/Narrow base
i. Speed/Antalgic gait/Freezing/Parkinsons gait
features
iii. Recurrent falls/Buckling......... /Climbing up/down
iv. Difficulty in walking in dark/Pain while walking
v. Stiffness/crossing of legs
6. Sensory
a. Onset/progression/present status

b. Posterior column
i. Unable to feel clothes over the body
ii. Difficulty in walking in the dark/wash basin (Sink)
sign
ii. Slipping of slippers without knowledge
iv. Cotton wool sensations over the feet
v. Band like sensation/Encasement of limbs
vi. Pins and needles/numbness/tingling/paraesthesias
vii. Lhermittes phenomenon/water flowing underneath
the feet
c. Spinothalamic
i. Hot and cold water during bath
ii. Burning/shooting/pricking pain
ii. Funicular pain/sensory level
iv. Root pain is a sharp shooting pain in a particular n
dermatomal pattern which increases on
coughing/sneezing. It is recurrent and more severe.
d. Cortical sensations
i. Ability to feel the coins in the pocket
i. Feelwalletinthe pocket
7. Autonomic
a. Bladder
i. Urgency/urge incontinence/frequency/hesitancy
ii. Precipitancy/Retention (Painful/less &
aware/unaware)
iii. Overflow incontinence/incomplete evacuation
iv. Dribbling of urine/loss of social inhibition
v. Postural giddiness/presyncope/erectile dysfunction
b. Bowel ? Frequency/consistency/continence
c. Faintness/palpitations
d. Abnormal sweating/Decreased lacrimation
e. Horners syndrome
f. Gastroparesis/nausea/vomiting/diarrhea

ETIOLOGICAL HISTORY
1. Headache (Mnemonic ? OLD CAARTYS)
a. Onset/location/duration/diurnal variation/Ch.......
b. Associated with(Nausea/vomiting/photophobia/
phonophobia/ abnormal behavior/LOC/blurring of vision
c. Red flag signs
d. Preceded by aura
e. Aggravated by/relieved by/timing/severity/
f. Frequency (No of episodes in a day)/abnormal
sweating
g. Pain anywhere in the body
2. Injury/RTA/Trauma to the neck
3. Abnormal behavior/nausea/vomiting
4. Fever/chest pain/palpitations/cough/
dyspnea/hemoptysis
5. Bowel symptoms/Jaundice
6. Oliguria/dysuria/lhematuria/high colored urine
7. Joint pain/rash/photosensitivity/oral ulcers
/hair fall/seizures
8. Dog bite/animal bite/vaccination/injection
9. Alternative drugs/well water drinking/insecticides
exposure
10. Carrying weight in head for long/neck pain for long
11. Skin lesions/Nodules
12. Hypo/hyper thyroidism symptoms
13. Blood transfusion
PAST HISTORY
1. DM/TB/HTN/Hansens/CAD/BA

2. Similar iliness in the past
3. Animal bite/vaccination/injection in the past
4. Blood transfusion/jaundice
5. Major surgery
PERSONAL HISTORY
1. Veg/Non veg/Well water drinking/food habits
2. Smoking/Tobacco/Alcohol/Substance abuse
3. Marriage/Children
4. High Risk behavior
MENSTRUAL HISTORY
1. Menarche/Cycles/Menopause
2. LMP/Post menopausal bleed
3. any surgery
OCCUPATIONAL HISTORY
1. Nature/duration/intensity of exposure
2. H/O exposure to dye/paint/glasswares/med
eqgpts/jwellery
3. Plumbing/farming/insecticides
4. Vibrating egpts/repeated trauma
FAMILY HISTORY
1. Pedigree charting of possible genetic disease
2. h/O similar iliness in the family

TREATMENT HISTORY
SUMMARY at the end of history and four tier diagnosis
1. Functional
2. Physiological
3. Anatomical
4, Etioloical 1, 2, 3,4......
GENERAL EXAMINATION
1. Conscious/oriented/cooperative/comfortably lying.........
2. Ht/Wt/BMI/Arm length/upper segment/lower segment/neck:ht
ratio.
3. Pulse
Rate/rhythm/volume/character/peripheral pulses/R-R & R-F
Delay/pulse deficit/'vessel wall/carotid bruit/shudder
4. BP
mm Hg/Rt Arm supine/No significant postural fall
RR ? rate/rhythm/type
P/I/CICILIEIJVP
Neurocutaneous markers
Nerve thickening
. Vitamin deficiencies
10. Xanthoma/xanthelasma/arcus senilis
11. Congenital anomalies ? arms/foot/chest/gums/teeth/hair change
12. acanthoma nigricans/scars/sinus
13. Features of hypo/hyper thyroidism
14. acromegaly/marfans features
15. Angioma/cutaneous
angiomata/rash/petechiae/purpurae/ecchym.
16. Bed sores/genital ulcers
17. Peripheral stigmata of TB/HIV
? NG

SYSTEMIC EXAMINATION
1. CVS
a. Apical Impulse/chest wall symmetry/anomalies
b. S1/S2/S3/S4/murmur/pericardial rub/knock
2. RS
a. Chest wall symmetry
b. Air entry/Breath sounds/adventitious sounds/pleural rub

3. PIA
a. Distended/all quadrants moves equally with the respiration
b. Soft/Non tender/organomegaly/free fluid/bowel sounds
c. Hernial sites/peripheral signs of liver failure
CNS EXAMINATION
1. HMFE
a. consciousness
b. oriented to T/P/P
c. Registration
d. attention/calculation
e. Recall
f. Language-Speech (Mnemonic ? CNS R3)
i. Comprehension
ii. Naming
iii. Spontaneous speed
iv. Reading
v. Writing
vi. Repetition
g. Language ? Dysarthria
i. UMN/Pseudobulbar ? ?British constitution?
ii. Bulbar ? Pa Ta Ka
iii. Cerebellar ? Rashtrapaty Amritsar se Hyderabad gaye

Ask to repeat ?Yellow Lorry?.
iv. Tongue muscles fasciculations/flaccidity.
v. NMJ ? Fatiguability/Nasal voice.
2. Cranial Nerves
I - Coffe powder/soap/shampoo/tooth paste
I - Acuity/Color/field/pupils/RAPD/Fundus.
H/AvV & Vi
- Position of the eye at primary gaze
- Conjugate eye movements
a. convergence/divergence/saccades/pursuits
- Individual eye movements
- Nystagmus
- Facial sensations touch/pain/temp/vibration
- Muscles of mastication- clench the teeth
- Movements of mandible
- Corneal reflex
- Jaw reflex
VII
- Wrinkling of forehead
- Frowning of eyebrows/eyelid closure
- Bells phenomenon/facial expression/nasolabial fold
- Angle of mouth deviation/buccinators
- Taste sensation ant 2/3" ? sugar/vinegar/salt
- Parotid swelling/tenderness
- Herpes zoster in EAM
VIl
- Rinnes/webers/ABC/Ear examination
IX& X
- Uvular position
- On saying ?AH? uvula/palatal/post phar. wall
movement
- Gag reflex

- Taste on post 1/3? of tongue
- Dysphonia/dysphagia testing (?????
Xl
- Shrugging of shoulders
- Left/right turn of neck (SCM)
Xl
- Tongue position in resting state/on protrusion
- Flaccidity/fasciculations/tremors/spasticity
- Myotonia/movements/Deviation of tongue
3. Motor system examination
a. Position/attitude of limbs
b. Bulk (wasting/hypertrophy)
c. Tone
i. Spasticity ? clasp knife
ii. Rigidity ? cog wheel/lead pipe
iii. Flaccidity
iv. Fasciculations
d. Power
i. Shoulder ? Abduction/adduction/flexion/extension (5/5)
ii. EIbow ? Flexion/extension (5/5)
iii. Wrist ? Dorsiflexion/Palmar flexion (5/5)
iv. Hand grip ? Percentage (25/50/75), Myotonia (+/-)
v. Individual muscles of hand ? Normal or weak.
Vi, -------
vii. Hip - Abduction/adduction/flexion/extension (5/5)
viii. Knee - Flexion/extension (5/5)
ix. Ankle ? Dorsiflexion/Plantar flexion (5/5)
x. EDP muscle wasting ? Present/not
xi. Truncal weakness ? Percentage (25/50/75)
xii. Neck muscle weakness - Percentage (25/50/75)
(Flexion/extension/lateral flexion)
e.DTR

i. Biceps/triceps/supinator/knee/ankle
ii. Clonus (+/-)
iii. Myotonia (+/-)
iv. Pseudomyotonic reflex
f. Superficial Reflexes
i. Plantar
ii. Abdominal
iii. Cremastric
iv. Perianal reflex
g. Whartenburg sign
h. Koffman sign
j- Release reflexes
i. palmo mental
ii. Glabellar tap
iii. Rooting reflex
iv. Suckling reflex
v. Grasping reflex
k. Coordination ? UL/LL
4. Sensory System Examination
a. Superficial sensations
i. First test pin prick sensation
ii. Touch
b. Deep sensations
i. Pain
ii. Temperature ? Cold (Tuning fork) and warm
c. Combined
i. Vibration
- Forehead/Mastoid/Sternum/Vertebral spine
- Clavicle/Elbow/wrist
- ASIS/PSIS/Tibial tuberosity/ankle

ii Joint position
- Great toe/index finger
d. Cortical sensations
| all the peripheral sensations are intact, then, check for
cortical sensations.
e. Lhermittes phenomenon
f. Rhombergs sign
g. determine pattern of sensory loss
i. Symmetrical/asymmetrical
ii. Glove stocking/Patchy
iii. Root level
5. Cerebellum
a. Nystagmus
i. Primary gaze
ii. evoked gaze
iii. Horizontal/vertical/torsional
iv. Fatiguable/not
b. Intention tremor
c. Rebound phenomenon (Holmes)
d. Dysmetria
(these tests to be done with eyes open and then eyes
Closed and initially slow & then rapid)
i. Finger nose test
ii. Finger nose finger
iii. Knee shin dragging test
- First tap the knee with heel to r/o sensory loss
- Then excursion along skin of the tibia
(Cerebellar ? broken movements)
(Sensory ? waving of heel here & there)
iv. Finger toe test
e. Past pointing

f. Alternating movements
i. Draw a circle in air with finger/toe
ii. Alternatively pat the foot steadily on the ground
iii. Pronation ? supination (Disdiadochokinesia)
iv. Alternating opening and fisting of both hands
v. Screwing like movements
vi. Door knob opening like movements
vii. Opposition of thumb and fingers
viii. Tap out simple rhythm with finger.
g. Speech
h. Hypotonia
j- Pendular knee jerk
k. Titubation
[. Gait and how the patient stands
m. Drift

i. Cerebellar ? Upward
ii. Pyramidal ? Down and pronated
iii. Parietal lesion ? Upward and wavy
a. Rigidity
b. Tremor
c. Mask like face
d. Gait
e. Micrographia
f. Hypophonia
g. Hypomimia
8. ANS

a. Postural hypotension
b. Sweating
SUMMARY At the end of examination
FOUR TIER DIAGNOSIS