Macleod's Flashcards
Define acute and chronic cough
Acute cough lasts <3/52
Chronic cough lasts >8/52
Severe asthma or chronic obstructive pulmonary disease (COPD) causes what type of cough?
A prolonged wheezy cough and often a paroxysmal dry cough after a viral infection that lasts several months.
What does a feeble non-explosive bovine cough with hoarseness suggest?
A lung cancer which invades the left recurrent laryngeal nerve, causing left vocal cord paralysis.
What does nocturnal cough disrupting sleep indicative of?
It is a feature of asthma.
What does coughing during and after swallowing liquids suggestive of?
Coughing during and after swallowing liquids suggests neuromuscular disease of the oropharynx.
What is the reason for cough syncope?
Raised intrathoracic pressure impairs venous return to the heart and reduce cardiac output.
What do these types of stridor indicate:
A) Inspiratory stridor
B) Biphasic stridor
C) Stridor on expiration
A) Inspiratory stridor indicates narrowing at the vocal cords
B) Biphasic stridor suggests tracheal obstruction
C) Stridor on expiration suggests tracheobronchial obstruction
What is the colour of the sputum coughed up by patients with COPD?
Clear or “mucoid” sputum
What condition produces pink frothy sputum?
Pulmonary oedema
What condition produces rusty red sputum? Give the reason
early pneumococcal pneumonia, as pneumonic inflammation causes lysis of red blood cell
What colour sputum is produced by asthmatic patients?
Yellow sputum (eosinophils) or white mucoid sputum
Why are sputum green?
From dead neutrophils as lysed neutrophils produces a green-pigmented enzyme, verdoperoxidase
What is the colour of the sputum for bronchiectasis?
Green purulent sputum
What does bronchorrhea means? What is a common cause of bronchorrhea?
Bronchorrhea is the production of large volumes (>100ml) of watery sputum per day.
The common cause is chronic bronchitis. It can also indicate alveolar cell cancer.
Blood-streaked clear sputum or clots in sputum for more than a week is indicative of?
Lung cancer