Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
60 Cards in this Set
- Front
- Back
Primary objectives of voice diagnostics |
1. ID cause 2. Describe the present vocal components 3. Develop the management plan |
|
Secondary objectives of voice diagnostics |
1. Patient education 2. Judge patient motivation 3. Establish credibility of voice pathologist |
|
Voice Medical Examination, what can it involve? |
1. Indirect laryngoscopy 2. Fiberoptic laryngoscopy 3. Direct laryngoscopy 4. Laryngeal videostroboscopy |
|
Components of Voice Pathology Exam |
1. Patient Interview 2. Perceptual Voice Assessment 3. Instrumental Assessment of Vocal Function 4. Patient Self-Rating |
|
11 Parts of patient interview |
1. Problem 2. Effects 3. Development 4. Variability 5. Associated signs/symptoms 6. Voice use 7. Health 8. Vocational 9. Social 10. Recreational 11. Psychological |
|
What is perception? |
The psychological representation of a physical stimulus |
|
Why is perception difficult to define? |
it is often formed based on their world |
|
Influential factors of perception |
1. Age 2. Sex 3. Language 4. Culture 5. Intrinsic and extrinsic bias |
|
Perception of vocal quality is highly... |
complex |
|
Systematic scaling techniques |
specific strategies forcompleting perceptual analysis of voice |
|
Ordinal scale |
wherenumbers are assigned to attributes |
|
Visual Analog scale |
atool where a line is used with two defined end points and ratings can be placedon the line to define the magnitude of a sensation |
|
Auditory Perceptual Evaluation Parts (8) |
1. General Quality 2. Respiration 3. Phonation 4. Resonance 5. Loudness 6. Pitch 7. Vocal Effort 8. Severity |
|
GRBAS |
0-3 rating scale G= Grade is how rough the voice sounds R= Roughness is a judgment of how irregular and noisy the voice sounds B= Breathiness is a judgment of how much additional airflow is perceived A= Asthenia is a judgment of how weak the voice sounds S = Strain is a judgment of how compressed or hyperfunctional the voice sounds |
|
CAPE-V |
Consensus of Auditory Perceptual Evaluation of Voice |
|
Clinical Utility - Detection, Severity, Diagnosis |
Detection - identify the existence of a voice problem Severity - assess the severity or stage of progression of the voice problem Diagnosis - identify the differential source of the voice problem |
|
Instrumental measures (6) |
1. Laryngeal videostroboscopy 2. High Speed Digital Imaging (HSDI) 3. Aerodynamic Assessment 4. Acoustic Recording and Analysis 5. Electroglottography 6. Electromyography |
|
2 types of Laryngeal Videostroboscopy |
1. Rigid endoscopy (70 degree angle) 2. Flexible Endoscopy |
|
Talbot's Law |
When sequential images are produced at intervals shorter than 0.2 seconds, they persist on the retina with successive images to produce the optical illusion of movement |
|
High Speed Digital Imaging is in... |
real time |
|
Acoustic Analyses assess physical correlates of perceptual evaluation (4) |
1. Pitch/Frequency 2. Loudness/Intensity 3. Perturbation (disturbance between cycles) 4. Noise |
|
Routine Voice Acoustics Measures (12) |
1. Fundamental Frequency 2. Frequency Variability 3. Phonation Range 4. Frequency Perturbation 5. Intensity 6. Overall SPL 7. Amplitude Variability 8. Dynamic Range 9. Amplitude Perturbation 10. Harmonics to Noise Ratio 11. Voice Range Profile 12. Spectral Analysis |
|
Fundamental Frequency Normative Data |
Males = 100-150 Hz Females = 180-230 Hz |
|
Frequency Variability Normative Data |
(Pitch sigma) 20-30 Hz range |
|
Phonation Range Normative data |
Young adults have a 3 octave range |
|
Frequency Perturbation (jitter) normative data |
<1.00% |
|
Overall SPL Normative data |
75-80 dB conversation |
|
Amplitude variability normative data |
~10 dB |
|
Dynamic Range normative data |
50-115 dB SPL |
|
Amplitude Perturbation (shimmer) normative data |
<0.35 dB |
|
Harmonics to Noise Ratio: What reflects better voice quality? |
Greater signal or harmonic energy in the voice. Large noise energy represents more abnormal function |
|
Voice Range profile is also called a... |
phonetogram |
|
What does a phonetogram plot? |
maximum and minimum intensities for entire frequency range |
|
What is spectral analysis? |
A sound spectrogram displays the glottal sound source and filtering characteristics across time |
|
What are the parts of a spectrogram? |
Horizontal Axis = time Vertical Axis = frequency Lowest band = Fundamental frequency Gray scale represents intensity changes |
|
Aerodynamic measurement of voice production helps interpret what about valving activity of larynx? |
1. VF structure 2. VF configuration 3. VF movement |
|
Aerodynamic assessment ideally measures... |
1. Volume of air/vital capacity 2. Airflow rate 3. Subglottal pressure |
|
What is needed to measure all 3 aspects of aerodynamic assessment at once (but not necessary)? |
pneumotachograph |
|
What are the aerodynamic assessment tasks? |
1. Maximum Phonation Time 2. S/Z ratio 3. Hand-held spirometer 4. Subglottal pressure screening (5 for 5) |
|
Instruments for measuring pressure and flow (5) |
1. U tube manometer 2. Wet spirometer 3. Hot wire anemometer 4. Pneumotachograph 5. Magnetometers |
|
Common Aerodynamic Measures (6) |
1. Airflow volume 2. Maximum Phonation time 3. Airflow Rate 4. Subglottal air pressure 5. Phonation threshold pressure 6. Laryngeal airway resistance |
|
Electroglottography (EGG) - what is it? |
Using an electrical current passing through the neck, EGG measures VF contact across time |
|
Electromyography (EMG) is the only... |
direct measure of laryngeal function |
|
What is EMG? |
Needle electrodes are inserted into the laryngeal muscles and the pattern of electrical activity is measured (used to determine paralysis vs. arytenoid fixation) |
|
Patient Self assessment is... |
Atool that defines these impacts on a patient and/or their family needs to help the clinician to understand the broader influence of the disorder/disease beyond the immediate impairment |
|
Patient self assessment is important for identifying... |
1. Functional tx goals 2. Patient awareness of deficit 3. Impact on QoL |
|
Self assessment tools |
1. Voice Handicap Index 2. Voice Related Quality of Life 3. Glottal Function Index 4. Reflux Symptom Index |
|
What is dynamic range |
range of vocal intensities that a person can produce |
|
What is airflow volume |
volume of air in the lungs available to drive the VF for voice production |
|
What is airflow rate? |
Rate at which air passes between the VF during phonation |
|
What is PTP? |
measure of the effort needed for initiate phonation |
|
Tidal Volume |
Amount of air inhaled and exhaled during a respiratory cycle |
|
Inspiratory reserve volume |
Amount of air that can be inhaled above TV |
|
Expiratory Reserve Volume |
Amount of air that can be exhaled below TV |
|
Residual Volume |
Air remaining in lungs after max exhalation |
|
Dead Air |
Air present in upper respiratory passage and bronchial tree; not involved in gas exchange |
|
Vital Capacity |
Max amount of air exhaled after having inhaled as deeply as possible MP |
|
Functional Residual Capacity |
Amount of air remaining in the lungs and airways at REL |
|
Inspiratory Capacity |
Amount of air that can be inhaled from REL |
|
Total Lung Capacity |
Total amount of air that the lungs can hold |