Cogntive Sensory

Stimulus

Anthing that stimulate a nerve receptor

Reception

Receptors conver nerve stimuli to nerve impulse

Perception

Ability to interpret impulses transmitted

RAS

Makes connections between the spinal cord, cerebellum, thalamus, and cerebral cortex

Sensory Factors

Illness, medications, stress, lifestyle, age

Sensory Loss

Vision: hyperopia, cataracts, glaucoma, macular degeneration, smell: Anosmia, taste: common cold, smoking, tactile: Brain tumors CVA kinesthetic: CNS injury

Sensory Deprivation Risk

Impaired sensory reception, inability to process stimuli, restricted mobility, sensory deficits, different culture

Sensory Deprivation S&S

Irritability, confusion, reduced attention span, drowsiness, depression, delusion, hallucinations,

Nursing Measures SD

Encourage assistive devices, put artwork on wall, placement of objects so client see them, natural light in room, make audio available (TV, Radio) stay in client’s field of vision

SD Auditory Measures

Hearing, quiet room, face the client, speak slowly, do not shout, write down if not understood

SD Smell Measures

Aromatherapy, fresh flowers bring them to dining room

Sensory Overload

Environment/ internal stimuli that exceed higher level than client’s sensory system can process

SO Risks

Hospitalized, nerological disorders, hyperthyoridism, Medications stimulate CNS

Expressive Aphasia

Patient is unable to name common objects/express simple ideas

Wheeze

Narrowing of airways, bronchospasm, asthma, COPD

Rhonchi

Usually clear with coughing; COPD, pneumonia, cystic fibrosis

Crackles/Rales

Chronic Bronchitis, CHF, pneumonia

Stridor

Obstruction of larynx/trachea

Pericardial Rub

Inflammation stops when you hold breath