These include tachycardia, bradycardia, hypotension, a water-wheel or mill-wheel murmur (a characteristic splashing auscultatory sound
due to the presence of gas in the cardiac chamber), shock-like picture, cardiac arrest, crackles, wheezing, tachypnea, hypoxemic respiratory failure altered mental status, focal neurological deficits, syncope, coma, crepitus in superficial vessels if skin is involved, and bubbles within the retinal arteries.
The second edition of Traite (1826) introduced a nomenclature of auscultatory sounds
(rales, fremitus, egophony, pectoriloquy, bronchophony) heard in organ pathology that formerly was called "lung fever." Again arduous work severely taxed Laennec's health and strength.