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Breathing Pattern disorders - Hyper ventilation syndrome (HVS)
Terms in this set (25)
- rapid & deep breaths
- anxiety & pain
- acute asthma
- respiratory alkalosis due to CO2 removal
clinical presentation of acute hyperventilation syndrome ?
what does pnoea mean ?
- hyperventilation = breathing > body's metabolic requirement
- tachypnoea = breathing < body's metabolic requirement (faster isn't more)
what is the difference between tachypnoea & hyperventilation ?
brown paper bag treatment
how to treat acute hyperventilation ?
- possible overbreathing = constriction = possible respiratory failure
what is a brown paper bag contraindication and why ?
- chronic over breathing = lower CO2 levels
- physical & psychological causation
- respiratory alkalosis
features of chronic hyperventilation ?
what is hypocapnia ?
- decreased tissue oxygenation = symptoms within bodily systems
what are the symptoms of HVS ?
shift it to the the left because :
- dec CO2 = inc pH = high HbO2 affinity (haldane effect) = tissue hypoxia
what does hypocapnia do the the O2 dissociation curve ?
- haldane effect
- decreased tissue oxygenation
what can hypocapnia cause ?
- gastro intestinal
what are the bodily symptoms of HVS caused by reduced tissue oxygenation from hypocapnia ?
- impaired cognition
- visual problems
cerebral symptoms of HVS ?
- increased excitability
- weakness/tension around neck, shoulders & jaw
neuromusculoskeletal symptoms of HVS ?
- increased motility & sensitivity
gastro intestinal symptoms of HVS ?
- chest pain
other neurological/cardiac/mental symptoms of HVS ?
cycle of HVS
what does this image show ?
- analysis & awareness
- biofeedback (capnography & patient in tune with their breathing pattern)
- behaviour modification
- re evaluation (repeat tests, questionnaires, symptoms etc)
- education & advice (reassurance & explain)
what are the interventions for HVS ?
- questionnaires e.g Nijmegen
- observation & assessment
- symptom & disorderd breathing identification
what are the aims of analysis ?
- breathing pattern disorder knowledge
- linking symptoms & triggers to patients breathing
what are the key focus of awareness ?
- recovery post hyperventilation test
- hyperventilation provocation test
- inspiratory/expiratory hold test
what are the tests you can perform for HVS ?
- prolonged CO2 return to baseline post 3 min hyperventilation
what is a positive recovery post hyperventilation test ?
- symptom production after 1-3 min hyperventilation
what is a positive hyperventilation provocation test ?
- unable to hold breath > 30s
what is a positive inspiratory/expiratory hold test ?
- using nose breathing
- size of breath
- inspiratory pauses
- relaxation & positioning (e.g prone)
- breathing re training
what behavioural modifications can help with HVS ?
- using different positions & ADLs
- speech practice implementing pauses etcl
how can you progress treatment for HVS when breathing re training ?
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