Comps review Flashcards
5 Stages of Pediatric Swallow
- Pre-Oral
- Delivering food to oral cavity - Oral
- Sucking or chewing once food is received - Pharyngeal
- involuntary phase begins at tonsillar pillars - Esophageal
- Food enters esophagus - Gastrointestinal
- Food processed and delivered to stomach
4 Stages of Adult Swallow
- Oral prep
- Mastication and bolus prep - Oral Transit
- bolus transported via action of tongue - Pharyngeal
- Begins when bolus reaches faucial arches - Esophageal
- Bolus propelled through esophagus by contraction above and relaxation below bolus
Muscles of Mastication
- Masseter
- Temporalis
- Lateral pterygoid
- Medial pterygoid
Laryngeal Inlet
- Lateral borders > aryepiglottic folds > cuneiform cartilage contained within aryepiglottic folds
- Anterior wall > thyroid cartilage
- Vocal folds > below laryngeal inlet
Cranial Nerves Involved in Swallowing
- Trigeminal
- Facial
- Glossopharyngeal
- Vagus
- Hypoglossal
Sphincters of the Swallow and Location - Adult Swallow
- Lips
- Velopharyngeal sphincter
- Laryngeal sphincter
- Upper esophageal sphincter
- Lower esophageal sphincter
Penetration
Bolus contents pass into the larynx to a level ABOVE the level of the true vocal folds
Aspiration
Food, liquids, pills, secretions pass into airway BELOW the level of the true vocal folds
Silent Aspiration Possibilities
- Hx of pneumonia combined with:
– Weak or absent cough
– Changes in body temp after eating
– Wet vocal quality
Aspiration Pneumonia
Results from the entrance of foreign materials, usually foods, liquids, or vomit into the bronchi of the lungs with resultant infection
Negative Results of Aspiration
- Aspiration pneumonia
- Lung infections
- Degydration
- Malnutrition
- Reduced enjoyment of eating
- Reduced quality of life
Silent Aspiration
- Penetration of food, liquid, or saliva to the subglottic area without the elicitation of a cough
- 40% of dysphagia clients silently aspirate
Zenker’s Diverticulum
- Typically results from increased pressure within the pharynx during swallowing
- Often due to dysfunction in the mechanics of the UES
- Cricopharyngeus muscle is a key component of the UES
– Primary function is to relax and open to allow food to pass from the pharynx to the esophagus
Identification of Penetration on MBS/FEES
- Material is below the epiglottis but above the vocal folds
- Airway remains clear
GERD
- Retrograde movement of gastric contents from stomach through the LES and into the esophagus
- Most common symptom is heartburn
Symptoms of GERD
- Noncardiac chest pain
- Regurgitation of gastric contents
- Water brash
- Dysphagia
- Odynophagia
Water Brash
- Stimulated salivary secretion by esophageal acid
- Excessive amount of saliva occurs and mixes with stomach acids that have risen to the throat
- Causes bad taste in mouth and can lead to heartburn
Odynophagia
- Pain upon swallowing
Globus
- Sensation of a lump in the throat
- May be caused by GERD
Esophagitis
Inflammation of the esophagus
Laryngopharyngeal Reflux Disease
- Inflammatory disease of the larynx that originates in the stomach like other reflux disorders
- Acid from stomach rises up to the level of the larynx and targets laryngeal tissues
LPRD Symptoms
- Hoarseness
- Vocal process granulomas
- Coughing
- Excessive phlegm in throat
- Throat clearing
- Severe cases
– Excessive coughing
– Occasional choking of liquids or foods
– Globus
Barrett’s Esophagus
- Lining of esophagus irritated and damaged from acid reflux
- LES won’t close as tightly
- Nonspecific complaints of heartburn and dyspepsia
- Precursor to cancer
Dyspepsia
Indigestion
Trigeminal (V) Sensory
- Tongue
- Inferior alveolus
- Buccal mucosa
- Lower lip
Trigeminal (V) Motor
- Mastication muscles
Facial (VII) Sensory
- Anterior 2/3 of tongue (taste)F
Facial (VII) Motor
- Muscles of facial expression
- Lip closure
- Cheek tension
- Lip movements
- Grasping
Glossopharyngeal (IX) Sensory
- Oropharynx
- Base of tongue
– Supports taste fibers at base of tongue
Glossopharyngeal (IX) Motor
- Stylopharyngeus muscle
Stylopharyngeus Muscle
Elevates pharynx
Vagus (X) - Recurrent Laryngeal Nerve
- Innervates all laryngeal muscles except cricothyroid
- Responsible for glottic closure during swallow
Vagus (X) - Superior Laryngeal Nerve
- External division
– Tenses vocal folds - Internal division
– Sensation to larynx
Hypoglossal (XII) Motor
- Tongue
– Bolus control
– Lingual strength
– Lingual coordination
Pharyngeal Plexus
- Main motor and sensory nerve supply to muscles of soft palate and pharynx
- Acts to coordinate swallowing and speech
- Has both motor and sensory fibers
- Important for muscles of soft palate and pharynxP
Pharyngeal Plexus - Bundle of Intersecting Nerves
- Pharyngeal branch of Vagus (X)
- Accessory (XI)
- Glossopharyngeal (IX)