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ASSESSING THE SENSORY-NEUROLOGICAL SYSTEM. Outcomes. Identify pertinent neuro/sensory history questions. Obtain a neuro/sensory history. Perform a neuro/sensory physical assessment. (Continued). Outcomes. Document pertinent neuro/ sensory assessment findings.
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Outcomes • Identify pertinent neuro/sensory history questions. • Obtain a neuro/sensory history. • Perform a neuro/sensory physical assessment. (Continued)
Outcomes • Document pertinent neuro/ sensory assessment findings. • Identify actual/potential health problems stated as nursing diagnosis. • Differentiate between normal and abnormal findings.
Structures • Cerebrum Cortex • Frontal lobe Temporal lobe • Limbic system Parietal lobe • Occipital lobe RAS • Thalamus Hypothalamus • Cerebellum Brainstem • Midbrain Medulla • Meninges Ventricles
FunctionsWhat are the functions of… Cerebrum: Largest part of brain Cortex: Outer layer of cerebrum; controls most conscious processes Frontal Lobe: Emotional expression, Broca’s area (expressive language) (Continued)
FunctionsWhat are the functions of… Temporal lobe: Hearing, taste, smell, memory, Wernike’s (language comprehension) Limbic system: Emotions, sexual arousal, behavioral expression, recent memory (Continued)
FunctionsWhat are the functions of… Parietal: Sensory input Occipital lobe: Vision and spatial relationships RAS: Wakefulness (Continued)
FunctionsWhat are the functions of… Thalamus: Clusters multiple sensory stimuli Hypothalamus: Controls autonomic nervous system and pituitary gland Cerebellum: Coordination, equilibrium (Continued)
FunctionsWhat are the functions of… Brainstem: Involuntary survival behaviors; includes midbrain, medulla and pons Midbrain: Visual, auditory, pupils, and eye movements (Continued)
FunctionsWhat are the functions of… Medulla: Regulates heart, respiratory rates, B/P, and protective reflexes Pons: Helps with respiratory function, facial sensation and movement (Continued)
FunctionsWhat are the functions of… Meninges: 3 layers (pia, arachnoid, dura); protect brain and spinal cord Ventricles: 4 cavities; capillaries produce and reabsorb CSF (Continued)
Relationship to Other Systems What is the relationship of the neurologic/ sensory system to other systems? • Integumentary Respiratory • HEENT Musculoskeletal • Lymphatic Genitourinary • Cardiovascular Endocrine • Hematological Gastrointestinal
DevelopmentalVariations What developmental variations of the neurologic/sensory system might you seen with: • Children • Pregnant clients • Older adults
Cultural Variations What cultural variations of the neurologic/sensory system might be seen with: • African Americans • Irish • Native Americans
HistoryWhat can the history tell you about the neurologic/sensory system? • Biographical data • Current health status • Past health history • Family history • Review of systems • Psychosocial history
SymptomsWhat symptoms would signal a problem with the neurologic/sensory system? • Headache • Mental status change • Dizziness, vertigo, syncope • Numbness or loss of sensation • Deficits of the 5 senses
Physical Assessment Approach: inspection, palpation, and auscultation Position: sitting Tools: stethoscope, B/P cuff, penlight, gloves, cotton, sharp object, coin, fragrance, sweet and sour substance, tongue blade, test tubes, reflex hammer, ophthalmoscope General Survey and head-to-toe scan
Cerebral Function • Behavior • Level of consciousness: time, place, person • Glasgow Coma Scale • Memory: immediate, recent, remote • Mathematical ability • Thought process Judgement • General knowledge Communication
Sensory Function Superficial sensations: • Light touch • Pain • Temperature Deep sensations: • Vibratory sensations • Kinesthetics (Continued)
Sensory Function Discriminatory sensations: • Stereognosis • Graphesthesia • 2 point discrimination • Point localization • Extinction
Deep Tendon Reflexes • Biceps • Triceps • Brachioradialis • Patellar • Achilles
Superficial Reflexes • Plantar • Abdominal • Anal • Cremasteric • Bulbocavernosus
Protective Reflexes • Gag • Cough • Swallow • Blink • Corneal
Primitive Reflexes • Babinski • Sucking • Grasp • Rooting • Snout • Glabellar
Meningeal Signs • Nuchal rigidity • Kernig’s Sign • Brudzinski’s Sign
Motor Function • Finger-to-nose • Heel-to-shin • Rapid alternating movements • Romberg • Gait: heel-to-toe