Respiratory System Flashcards

1
Q

Who are dry powder inhalers suitable for?

A

Adults and children over 5 who are unwilling/unable to use a pmdi

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

When should a spacer be used?

A

Always if the patient is prescribed a high dose steroid

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

How are spacer devices cleaned?

A

Once a month by washing with mild detergent and then allowed to air dry without rinsing, mouth piece should be cleaned of detergent before use.

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

How often should spacer devices be replaced?

A

Every 6 to 12 months

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

Define asthma?

A

Asthma is a common chronic inflammatory condition of the airways, associated with airway hyperresponsiveness and variable airflow obstruction

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

What should be done before initiating a new drug/changing tx for asthma?

A

Consider whether the diagnosis is correct, check adherence and inhaler technique and eliminate trigger factors for acute attacks

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

What are the stages of asthma – NICE adults 17+:

A

1) SABA (salbutamol/terbutaline)
2) SABA + Low dose ICS
3) SABA + ICS + Leutrokine receptor antagonist (montelukast)
4) Add in LABA
5) Switch to MART regimen: (Inhaled corticosteroid + fast acting LABA, such as formoterol) +
Low dose ICS
6) Trial of LAMA (tiotropium) or m/r theophylline

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

State the two SABAs:

A

Salbutamol / terbutaline

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

State the two-long active SABAs:

A

Salmeterol / formoterol

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

Which other LABAs are used for COPD:

A

Indacaterol, olodaterol
Vilanterol is only available as a combination with fluticasone or/and umeclidinium

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

Which oral LABA can potentially be of use in nocturnal asthma:

A

Bambuterol

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

Which other antimuscarinic medication can be used to relieve symptoms in chronic asthma:

A

Ipratropium bromide

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

Who should have their asthma urgently assessed?

A

Patients using more than one saba device a month

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

What is the tx of asthma in children under 5?

A

1) saba prn
2) paediatric low dose ics maintenance
3) LTRA eg montelukast reviewed after 4-8 weeks
BTS/SIGn Recommend a LABA first
4) MART regimen
5) increase ICS dose or add theophylline M/R

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

What is the tx of asthma in children under 5?

A

1) SABA
2) 8 week trial of paed low dose ICS, after 8 weeks stop and monitor symptoms. If no improvement, consider alternative diagnosis, if symptoms recur after 4 weeks then can use as maintenace, if symtpoms recur beyond 4 weeks of stopping then restart trial
3) LTRA - if no improvement refer to specialist

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

When should you consider stopping/stepping down asthma tx

A

When asthma has been controlled on current therapy for at least 3 months

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

How is asthma managed in pregnancy?

A

Close monitoring. Asthma should be well controlled throughout. Advise on the importance of taking their asthma medication to maintiain good control

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

What is moderate acute asthma?

A

Increasing symptoms, Peak flow <50-75% of best, no features of acute sever

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

What is severe acute asthma?

A

Peak flow 33-50% of best, resp rate >25 bpm, heart rate >110bpm and cannot complete sentences in one breath

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

What is the tx of life threatening acute asthma?

A

Peak flow <33%, o2 sats <92%, pao2 < 8, silent chest, cyanosis, poor resp effort, arrythmia, altered conscious level, hypotension

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

What is moderate acute asthma in children?

A
  • able to talk in sentences
  • spo2 >92%
  • peak flow >50% of best
    -heart rate below 140 in children aged 1-5, less than 125 in 5+
  • resp rate less than 40 in 1-5 and less than 30 in 5+
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What are the symptoms of severe acute asthma in children

A

Cannot complete sentences in one breath/talk/feed
spo2 less than 92%
peak flow 33-50% of best
hr >140 in 1-5 y/o, and >125 in 5+
resp rate >40 in children 1-5, >30 in 5+

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

What is life threatening asthma in children

A

Spo2 <92%, peak flow <33, silent chest, cyanosis, poor resp effort, hypotension, exhaustion, confusion

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

How is acute asthma managed in adults?

A

Patients with severe or life threatening asthma should be treated asap and referred to hospital
moderate asthma treated at hime and response to treatment assessed.
supplementary oxygen to all patients 94-98% o2
high dose SABA. If mild/moderate then pmdi and spcer, if severe then via nebuliser
oral prednisolone (40mg-50mg)

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

How is acute asthma managed in children over 2 years old

A

Severe/life threatening should be treated asap or referred to hospital
supp ox to severe or spo2 <94%
SABA asap
oral pred (30-40mg) for up to 3 days

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

When should parents/carer seek urgent medical attention?

A

If initial symptoms are not controlled with up to 10 puffs of salbutamol via a spacer

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

How is asthma managed in children under 2 years old?

A

Acute asthma management of all children in this age group should be in the hospital setting.
immediate oxygen, saba or add ipatropium bromide. Oral pred (30-40mg) for 3 days

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

What is the follow up of an acute asthma exacerbation?

A

take a history, check inhaler technique and review regular therapy, give a written asthma action plan. Inform GP 24 hours from discharge and patient should be reviewed within 2 days.

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

Which four drugs are licensed for COPD:

A

Aclidinium bromide, glycopyronium bromide, umeclidinium, tiotropium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What is Theophlline used for?

A

Xanthine used in asthma and stable COPD
Combination with beta agonists may increase risk of side effects such as hypokalaemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What are the symptoms of COPD:

A

Breathlessness, cough, sputum and airflow obstruction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What can relieve symptoms of COPD?

A

SABA or short acting antimuscarinic bronchodilator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

If the FEV1 is 50% or higher what would you advise:

A

LAMA or LABA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

If the FEV1 is less than 50%:

A

LABA or LAMA + corticosteroid in combination inhaler. If symptoms persist or if patient is unable to use an Inhaler oral m/r aminophylline or theophylline can be use
A mucolytic may be given to those with a productive cough
During an exacerbation of chronic COPD, bronchodilator therapy can be given through a nebuliser and oxygen can be given
Short course of prednisolone is recommended if affecting daily activities

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

If there is persistent exacerbations or breathlessness, then you can give this for COPD:

A

LAMA + LABA + inhaled corticosteroid in combination inhaler (such as trimbow)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What is the main risk factor for COPD

A

Tobacco smoking

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Which vaccinations should patients with COPD recieve?

A

Influenza annually and pneumococcal once

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What is the initial management of COPD for all patients?

A

SABA or SAMA

39
Q

What is the initial step up in COPD without asthmatic features?

A

LABA and a LAMA. Discontinue SAMA if LAMA given
With LABA and a LAMA and had at least 2 moderate exacerbations or one in hospital then consider adding ICS

40
Q

What is the initial step up in COPD with asthmatic features

A

LABA and ICS.
severe exacerbation or 2 moderate then consider adding a LAMA and discontinue SAMA

41
Q

Which prophylactic abx are given in COPD

A

Azithromycin to reduce exacerbations in non smokers, how have prolonged or frequent exacerbations. Rule out QT prolongation and LFTS. Review after 3 months then every 6 and only continue if the benefit outweighs the risk

42
Q

How is an acute copd exacerbation managed

A

SAVA at higher dose than maintenance. Short course of prednisolone (30mg for five days)

43
Q

What are the symptoms of croup?

A

Barking cough that sounds like a seal Hoarse voice
Difficulty breathing
Feverish symptoms Often worse at night

44
Q

How to treat croup?

A

Single dose of dexamethasone

45
Q

What are the side effects of antimuscarinics?

A

Cough, dizziness, dry mouth, nausea, headache, constipation, arrythmias, vision blurred, urinary disorders

46
Q

What is the caution warning for patients taking ipratropium bromide:

A

Acute angle-closure glaucoma has been reported with nebulised ipratropium

47
Q

What is beta agonists contraindicated in:

A

Severe eclampsia, pulmonary hypertension, cardiac disease

48
Q

State some cautions for beta agonists:

A

Diabetes, risk of hyperglycaemia and diabetic ketoacidosis, hypertension, hyperthyroidism, hypokalaemia

49
Q

State the side effects of beta agonists:

A

Headache, tremor, vomiting, palpitations, dizziness, hypokalaemia

50
Q

What is the duration of action for salbutamol?

A

3 to 5 hours

51
Q

How are corticosteroids effective in asthma?

A

They reduce airway inflammation and hence reduce oedema and secretion of mucus into the airway
Regular use of inhaled corticosteroids reduces the risk of exacerbation of asthma
They must be used regularly for maximum benefit

52
Q

State the 4 inhaled corticosteroids:

A

Fluticasone, mometasone, beclometasone, budesonide

53
Q

Which 3 brands can be used as relievers, in addition to their regular use for prophylaxis of asthma:

A

Budesonide + formoterol (Symbicort, Duoresp spiromax) Beclomethasone + formoterol (fostair)

54
Q

State the treatment for acute asthma attack:

A

High course of prednisolone – corticosteroids

55
Q

Why should oral corticosteroids best have taken as a single dose in morning:

A

Reduce the disturbance of circadian cortisol secretion

56
Q

Which parenteral corticosteroid has a role in emergency treatment of acute severe asthma:

A

Which parenteral corticosteroid has a role in emergency treatment of acute severe asthma: Hydrocortisone injection

57
Q

What is the use of inhaled corticosteroids in COPD:

A

When given with LABA it can reduce exacerbations

58
Q

What is the use of oral corticosteroids in COPD:

A

Prednisolone oral can be given during an attack

59
Q

What is the MHRA warning for corticosteroids:

A

Central serous chorioretinopathy – fluid accumulating under the retina Patients should be advised to report any blurred vision and visual disturbances

60
Q

What are the common side effects for corticosteroids:

A

Headache, oral candiasis, pneumonia with those with COPD, taster altered, glaucoma, adrenal suppression, sleep disorder, paradoxical bronchospasm

61
Q

How can you advised a patient to reduce the risk of oral candiasis:

A

To use a spacer device and/or rinsing mouth with water after inhalation

62
Q

Which clenil strength can dentists prescribe?

A

Clenil 50 mcg

63
Q

Which inhalers should be prescribed by brand name:

A

Clenil and Qvar
Qvar has extra fine particles and is more potent than traditional beclometasone and is twice more potent than Clenil

64
Q

How do leutrokine receptor antagonist’s work:

A

Blocks the effect of cysteinyl leutrokeines in airways

65
Q

When should patients the montelukast:

A

In the evening

66
Q

State some common side effects of monetelukast:

A

Diarrhoea, fever, depression, drowsiness, suicidal thoughts, tremor, hallucination

67
Q

State one major side effect of monetelukast:

A

Eosinophilic granulomatosis with polyangiitis

68
Q

Which drug is churg-strauss syndrome associated with:

A

Montelukast

69
Q

What should you advise patients on to report whilst taking montelukast:

A

Vasculitis rash, worsening pulmonary symptoms, cardiac issues, peripheral neuropathy

70
Q

State the advise you would give to a patient who’s child has been recently prescribed montelukast granules:

A

Granules may be swallowed, or mixed with cold soft food (not liquid), and taken immediately

71
Q

Patients taking this tablet for severe copd + chronic bronchitis and is displaying low mood and suicidal thoughts, what do you do? Bonus point can you name the drug?

A

Refer to gp
Roflumilast

72
Q

What is aminophylline and theophylline:

A

Narrow therapeutic medicines

73
Q

State the side effects of aminophylline:

A

Headache, nausea, palpitations

74
Q

Which electrolyte deficiency can aminophylline cause:

A

Loss in k+ - hypokalaemia

75
Q

State the symptoms of aminophylline overdose/toxicity:

A

Vomiting, restlessness, agitation, dilated pupils, hyperglycaemia and sinus tachycardia More serious side effects are haematosis, convulsions, hypokalaemia, arrythmias

76
Q

State the monitoring requirements for theophylline:

A

Plasma-theophylline concentrations
10-20mg (55-110 micromol/litre) is required for satisfactory dilation
Adverse effects can occur within 10-20mg but severe side effects can occur 20mg+

77
Q

If aminophylline is given intravenously, when should blood sample be taken:

A

4-6 hours after starting treatment

78
Q

If aminophylline is given orally:

A

Plasma-theophylline concertation should be measured after 5 days and at-least 3 days after any dose adjustment

79
Q

State the dose adjustment for theophylline:

A

May be necessary to increase dose if smoking is started or decrease if stopped during treatment

80
Q

What are the 3 conditions in which plasma-theophylline concentration is increased in:

A

Heart failure, viral infections and hepatic impairment

81
Q

What are the 2 conditions in which plasma-theophylline concentration is decreased:

A

Smoking and alcohol consumption

82
Q

What are the signs of theophylline toxicity/overdose

A

Vomiting, agitation, restlessness, hyperglycaemia, hypertension, dilated pupils, tachycardia. More serious effects: convulsions, hypokalaemia, haematosis

83
Q

Which antihistamines can be used in nausea and vomiting:

A

Cyclizine, promethazine, cinnarizine

84
Q

Which older antihistamines may be more sedating than others:

A

Promethazine, alimemazine

85
Q

Which antihistamines are non-sedating and why:

A

Cetirizine, loratadine, desloratadine, acrivistine, bilastine, mizolastine, levocetrizine, fexofenadine,
All of the above cause less sedation and psychomotor symptoms as they can cross the blood- brain barrier only to a slight extent

86
Q

State the dose and ages for IM injection of adrenaline/epinephrine/epipen:

A

Child 1 month – 5 years = 150 mcg
6 years – 11 years = 300 mcg
12-17 years = 500 mcg
Adult = 500 mcg
The above dose may be repeated at 5-minute intervals if needed

87
Q

State the MHRA warning with hydroxyzine:

A

Hydroxyzine is contraindicated in patients with prolonged QT interval or those who have risk factors for prolonged QT interval
In kids the maximum dose is 2mg/kg
In adults the maximum dose is 100 mg
In elderly the maximum dose is 50 mg
The lowest effective dose for shortest period of time should be prescribed

88
Q

What is the non-drug treatment for cystic fibrosis?

A

Regular exercise improves lung function and overall fitness

89
Q

What is the drug treatment of choice for cystic fibrosis:

A

Dornase-alfa

90
Q

A patient complains of dark urine, pruitis and jaundice. Which drug is responsible?

A

Zafirlukast

91
Q

Which one is a LABA used in COPD patients only:

A

Vilanterol

92
Q

Which drug causes rebound nasal congestion when used for more than 7 days:

A

Xylometazoline

93
Q

Which group of patients should avoid carboceistine:

A

Patient with active gastrointestinal ulcers

94
Q

Which antihistamine causes QT prolongation:

A

Hydroxyzine