Cough Flashcards
What is an acute cough and what are its causes ?
It is cough lasting for<3 weeks and the common causes are Respiratory tract infections, aspiration, inhalation of noxious substances or smoke.
What is a subacute cough and what are its causes ?
It is an episode of cough lasting for 3 to 8 weeks and the causes are persistent tracheobronchitis due to viral causes or pertussis.
What is the duration and causes of chronic cough with abnormal radiograph?
It is an episode of cough lasting for > 8 weeks and the causes of abnormal radiographs are inflammatory, infectious, neoplastic and cardiovascular conditions.
What are the causes of radiologicaly normal chronic cough?
Cough variant asthma, GOERD, postnasal drip and ACE inhibitors.
What is cough hypersensitivity syndrome?
It occurs due to sensitized sensory neurons and afferent pathways and presents as dry or minimally productive cough. The pathophysiology is similar to that in neuropathic pain and is more common in woman than in men
What is ACE inhibitor induced cough ?
It occurs in 5 to 30% of patients in a non dose dependent manner due to increased bradykinin mediated sensitization of sensory nerve endings. The cough subsides typically after one month of cessation. The alternative for ACE inhibitor can be ARB.
