Respiratory Flashcards

COPD, Asthma

1
Q

which patients with copd need inhaled steroids?

A

ones where FEV1 < 50% of predicted AND

have had at least 2 exacerbations in 1 year (that needed treatment with abx or steroids)

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2
Q

Long term oxygen therapy is needed in which copd patients?

A

with;

PaO2 < 7.3kpa and stable
pao2 ; 7.3 - 8 with complications i.e;

polycythaemia (v. high Hb), pulmonary hypertension, peripheral oedema, nocturnal hypoxaemia

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3
Q

What is part of a patients CO2 self management plan?

A
  1. Lifestyle changes;
    First step = stop smoking, nicotine replacement.
    Healthy diet. breathing and coughing excercises. excercise plan.
  2. Drug list + instructions
    what to take when
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4
Q

Pupose of inhaled steroids in copd?

A

reduce the median annual EXACERBATION rate!

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5
Q

What does pulmonary rehabilitation involve?

A

its a course where patients are taught exercises and knowledge to help manage breathlessness

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6
Q

What is asthma

A

generalised airway narrowing that goes with treatment or spontaneously

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7
Q

How does one diagnose asthma?

A
History
Tests;
1. Peak flow - variability by time
2. Spirometry w/inhaled bronchodilators
3. Peak flow - oral steroids
4. Exercise test
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8
Q

Some features of asthma uncommon in COPD?

A

FH of asthma or allergic diseases

Being woken at night due to breathlessness

improvement of FEV1 by 400mls on use of bronchodilators or prednisolone

peak flow shows diurnal or daily variation

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9
Q

Treatment for asthma?

A

Outdated as of 2022

1

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10
Q

What a important features that signify that asthma is under control

A

doesnt disturb sleep
peak flow above 85% of personal best
doesnt restrict daily activities

if peak flow falls between 70-85% asthma getting worse!

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11
Q

Severe asthma is characterised by what peak flow % ?

name an steroid that can be taken in this instance?

A

50-70%

prednisolone

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12
Q

What constitutes an emergency situation in relation to asthma?

what should a patient do?

A

worsening symptoms. peak flow 50% or less.

take 8 (5mg) prednisolone tablets and contact ambulance

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13
Q

What tests to do to differentiate asthma and COPD?

A

spirometry
home peak flow
excercise test
low/high dose steroid + peak flow

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14
Q

Superior Vena Cava syndrome occurs due to SVC-Obstruction name some common causes of this?

A

malignancy - i.e. breast cancer with mets.

pacemaker leads

central venous lines

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15
Q

Symptoms of svc obstruction?

exacerbation factors?

A

Common symptoms are facial swelling and arm swelling as seen, as well as dyspnoea, cough and facial plethora.

lying down or bending forward

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16
Q

Ivx for SVCO?

A

The most useful imaging test is a chest CT with IV contrast which establishes the diagnosis and also shows the exact location of the pathology

17
Q

Signs of lung cancer with Horner’s syndrome indicate a what? located where?

A

Pancoast tumour of the apex of the lung ipsilaterally

18
Q

Pink frothy sputum is characteristic of what?

A

pulmonary oedema

19
Q

What is Goodpasture’s syndrome?

antibody implicated?

A

It is one of the few causes of pulmonary renal syndrome, which is characterised by pulmonary haemorrhage with rapidly progressive GN.

so you will see pulmonary symptoms like haemoptysis and also deranged renal function tests, also those indicative of GN ; ++ protein, blood - urine.

anti-GBM

20
Q

Positive ANCA usually suggests?

A

a diagnosis of Wegener’s granulomatosis, Churg-Strauss or microscopic polyarteritis

21
Q

IN legionella pneumonia, why dont we confirm with sputum?

A

legionella does grow on culture mediums - do a urine antigen test

22
Q

What is the diagnosis?
Textbook signs are persistent cough, with copious purulent sputum together with intermittent haemoptysis. This can also be congenital, or post-infection

A

bronchiectsis