Sleep Apnoea and Neuromuscular Failure Flashcards

1
Q

What is sleep apnoea?

A

Recurrent episodes of upper airway obstruction leading to apnoea during sleep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is sleep apnoea usually associated with?

A

Heavy snoring

Unrefreshing sleep

Daytime smnolence/sleepiness

Poor daytime concentration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is A?

A

Tensor palatini

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is B?

A

Levator palatini

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is C?

A

Genioglossus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is D?

A

Epiglottis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is E?

A

Genu of mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is F?

A

Geniohyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is G?

A

Hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is H?

A

Thyrohyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is I?

A

Thyroid cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is J?

A

Nasopharynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is K?

A

Velopharynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is L?

A

Oropharynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is M?

A

Hypopharnx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does OSAS stand for?

A

Obstructive sleep apnoea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What does obstructive sleep apnoea lead to?

A

Impaired quality of life

Martial disharmony

Increased risk of road traffic accidents

Associated with hypertension, increased risk of stroke and probably increase risk of heart disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the prevalence of sleep apnoea?

A

2% of adult men

1% of adult woman

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What does the diagnosis of sleep apnoea involve?

A

Clinical history and examination

Epworth questionaire

Overnight sleep study

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What are examples of overnight sleep studies?

A

Pulse oximetry

Limited sleep studies

Full polysomnography

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the epworth questionaire?

A

Different things where you rate your chance of dozing between 0 and 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is this?

A

Overnight oximetry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is polysomnography?

A

Sleep study used to diagnose sleep disorders, recording brain waves, oxygen level in your blood, heart rate and breathing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What does a polysomnography record?

A

Brain waves

Oxygen level in your blood

Heart rate

Breathing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What is a sleep stud that diagnoses sleep disorders by recording brain waves, oxygen levels, heart rate and breathing?

A

Polysomnography

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What does PSG stand for?

A

Polysomnography

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What does a polysomnography involve?

A

Oronasal airflow

Thoracoabdominal movement

Oximetry

Body position

Brain activity (EEG)

Audio-visual recording

Eye movements (EOG)

Skeletal muscle activation (EMG)

Electrocardiogram (ECG)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What is oximetry?

A

Measures a persons oxygen saturation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What measures a persons oxygen saturation?

A

Oximetry

30
Q

What does EEG measure?

A

Brain activity

31
Q

What does EOG measure?

A

Eye movements

32
Q

What does EMG measure?

A

Skeletal muscle activation

33
Q

What does ECG measure?

A

Heart rhythm and electrical activity

34
Q

What does the severity of obstructive sleep apnoea (OSA) depend on?

A

Amount of apnoea per hour

35
Q

What are the different classes of severity of obstructive sleep apnoea?

A

Normal (0-5)

Mild (5-15)

Moderate (15-30)

Severe (>30)

36
Q

What is considered normal severity?

A

0 - 5 apnoea

37
Q

What is considered mild severity?

A

5-15 apnoea

38
Q

What is considered moderate severity?

A

15-30 apnoea

39
Q

What is considered severe severity?

A

>30 apnoea

40
Q

What is an apnoea?

A

Temporary cessation (stopping) of breathing, especially during sleep

41
Q

What is the temporary cessation of breathing, especially during sleep called?

A

Apnoea

42
Q

What is AHI?

A

Number of apnoea’s recorded during the study per hour of sleep

43
Q

What does the treatment of sleep apnoea involve?

A

Identify exacerbating factors

Continous positive airways pressure

Mandibular repositioning splint

44
Q

What could be exacerbating factors for sleep apnoea?

A

Weight

Alcohol

Endocrine disorders

45
Q

What can be said about patients with sleep apnoea and driving?

A

They should not drive, you should inform the DVLA of their condition

46
Q

What is narcolepsy?

A

Sleep disorder characterised by excessive sleepiness, sleep paralysis, hallucinations and in some cases episodes of cataplexy

47
Q

What is a sleep disorder characterise by excessive sleepiness, sleep paralysis, hallucinations and in some cases episodes of cataplexy?

A

Narcolepsy

48
Q

What is cataplexy?

A

Total or partial loss of muscle control

49
Q

What is total or partial loss of muscle control called?

A

Cataplexy

50
Q

What is the prevalence of narcolepsy?

A

0.05%

51
Q

How do people develop narcolepsy?

A

It is genetic

52
Q

What genes is narcolepsy associated with?

A

HLA-DRB1*1501

HLA-DQB1*0602

53
Q

What are the clinical features of narcolepsy?

A

Cataplexy

Excessive daytime somnolence

Hypnagogic hallucinations

Sleep paralysis

54
Q

What is sleep paralysis?

A

Temporary inability to move or speak when you are falling asleep or waking up

55
Q

What is the temporary inability to move or speak when you are falling asleep or waking up called?

A

Sleep paralysis

56
Q

What is used for the treatment of narcolepsy?

A

Modafinil

Clomipramine

Sodium oxybate

57
Q

What is chronic ventilatory failure?

A

Elevated PCO2 (>6kPa)

PO2

Normal blood pH

Elevated bicarbonate

58
Q

What is the aetiology of chronic ventilatory failure?

A

Airways disease

Chest wall abnormalities

Respiratory muscle weakness

Central hypoventilation

59
Q

What are examples of airway diseases that can lead to chronic ventilatory failure?

A

COPD

Bronchiectasis

OSA (obstructive sleep apnoea)

60
Q

What is an example of a chest wall abnormality that can lead to chronic ventilatory failure?

A

Kyphoscoliosis

61
Q

What are examples of respiratory muscle weakness that can lead to chronic ventilatory failure?

A

Motor neurone disease (ALS)

Muscular dystrophy

62
Q

What are examples of central hypoventilation problems that can lead to chronic ventilatory failure?

A

Obesity hypoventilation syndrome

Central hypoventilation syndrome (Ondine’s curse)

63
Q

What are typical symptoms of chronic ventilatory failure?

A

Breathlessness

Orthopnoea

Ankle swelling

Morning headache

Recurrent chest infections

Disturbed sleep

64
Q

What is orthopnoea?

A

Shortness of breath when lying flat

65
Q

What is shortness of breath when lying flat called?

A

Orthopnoea

66
Q

What are the examination findings of chronic ventilatory failure?

A

Reflects underlying diease

Particularly look for paradoxical abdominal wall motion in suspected neuromuscular disease

Ankle oedema

67
Q

What should you particularly look for in the examination for suspected neuromuscular disease?

A

Paradoxical abdominal wall motion

68
Q

What investigations are done for neuromuscular disease?

A

Lung function

Assessment of hypoventilation

Flouroscopic screening of diaphragms

69
Q

What is used for the assessement of lung function for neuromuscular disease?

A

Lying and standing vital capacity

Mouth pressures

70
Q

What is used for the assessment of hypoventilation in neuromuscular disease?

A

Early morning arterial blood gases

Overnight oximetry

Transcutaneous CO2 monitoring