Voice Disorder
Organic
Neurogenic
Psychogenic
Functional
Muscle Tension
Dysphonia
The vocal mechanism is being
used improperly
Laryngeal mechanism does not
meet the voicing requirements
due to poor muscle functioning.
All Fun. Disorders considered
to be type of MTD.
One most common voice disorders. MTD is
Functional disorder as nothing structurally
wrong with the voice. .. Rather, the muscles
do not function properly.
Muscle Tension Dysphonia
Primary MTD
Secondary MTD
MTD
CausesSymptoms
1.Mimic features of
structural voice
disorders .
2.Very high or low pitch
3.Rough, hoarseness
4.Inability to produce a
Loud & Clear voice
5.Lump feeling in
throat.
1.Prolonged illness
2.Prolonged overuse /
underuse ( as after
surgery)
3.Trauma, e.ginjury,
chemical exposure,
or emotional
problem
Treatment
Medical AspectsSLP Aspects
1.Occasionally
Botox injections
are helpful.
2.Surgery to
reduce the size
of ventricular
folds.
Functional Therapyis
usually the only
treatment
Relief Time: 4 to 6
sessions.
In emotional stress,
counseling or stress
management.
Assessment
1.A Team of professionals is required
,Consists on Specialized;
ENT
Otolaryngologist,
Gastroenterologist,
Neurologist, Rheumatologist,
Speech language pathologistetc.
2.Specific tools to individualize care to the
voice patient.
3. These tools include taking a
sophisticated voice history, assessment
of the voice’s capabilities and
limitations and a high quality laryngeal
exam often including
videostroboscopy.
Assessment
The vocal folds do not come together to
produce voice. They may appear to be
pulled apart as the person phonates.
Hyper Abduction
Treatment
Medical AspectsSLP Aspects
1.Functional therapy.
2.F.T combined with
psychotherapy.
3.Occasionally, Use
injections of a
substance as a
temporary measure.
1.Improving hydration
(80 ounces of
water/day)
2. Relaxations of vocal
cords(Avoidance of
speaking in loud
voice)
3. Improving Breathing
Exercises.
The vocal folds adduct (come together)
very tightly, producing a valve that
restricts airflow.
Hyper Adduction
Hyper Abduction
Symptoms Causes
1.Prolonged voice
use during
impairment of
vocal mechanism.
2.Tense style of voice
3.Emotional
component
1.Poor voice quality
2.Effort and fatigue
during Speaking
3.Pain
4.Discomfort
Treatment
Medical AspectsSLP Aspects
1.Functional
therapy.
2.Occasionally
Botox injections
are helpful.
1.Increase level of
hydration.
2.Eliminating caffeine
and alcohol.
3. Avoid vocal abuse
behaviors .
Muscle of the pharynx (throat) contract
excessively while talking, leaving the
throat very constricted.
Pharyngeal Constriction
Pharyngeal Constriction
Symptoms Causes
1.Prolonged voice
use during
impairment of
vocal mechanism.
2.Tense style of
voice.
3.Emotional Stress
or Shock.
1.Poor voice
2.Effort and fatigue
3.Pain
4.Discomfort
5.Decline of voice
quality
Treatment
Medical AspectsSLP Aspects
1.Functional therapy.1.Vocal hygiene
•Reduced
Dehydration
2.Control the abusage
of alcohol etc.
3. Set limits on volume
and quantity of
talking.
Ventricular Phonation
Symptoms Causes
1.Rough Voice
2.Strained Voice
3.Limited in pitch and
volume.
4.Pain or dryness with
voice use
1.Continued use of
voice.
2.True vocal folds are
impaired.
3.Trauma etc
Treatment
Medical AspectsSLP Aspects
1.Functional therapy.
2.Medical or surgical
treatments may be
tried, When F.T has
failed.
3.Ventricular
phonation is the
best alternative.
1.Vocal hygiene.
2. Breathing Exercises.
3.Relaxed efficient
voice production.
Vocal fold Bowing
Symptoms Causes
1.WeakVoice
2.BreathyVoice
3.HollowVoice.
4.RoughVoice
5.ScratchyVoice
1.It’s referred to as
Presbylarynges,
which means the
laryngeal status
of old age.
2. Compensatory
muscle tension.
Treatment
Medical AspectsSLP Aspects
1.Functional therapy.
2.Rarely find surgery
if necessary.
1.Improving hydration
(80 ounces of
water/day)
2.Slow rate of Speaking
3. Improve breathing
to maximize
support.