4,200
edits
No edit summary |
mNo edit summary |
||
Line 1: | Line 1: | ||
[[Image:PathoQ.png|thumb| A pathologic Q wave]] | [[Image:PathoQ.png|thumb| A pathologic Q wave]] | ||
Pathologic Q waves are a sign of absence of electrical activity. | Pathologic Q waves are a sign of previous [[Myocardial Infarction|myocardial infarction]]. The are the result of absence of electrical activity. A myocardial infarction can be thought of as an elecrical 'hole' as scar tissue is electrically dead and therefore results in pathologic Q waves. Pathologic Q waves are not an early sign of myocardial infarction, but generally take several hours to days to develop. | ||
The precise criteria for pathologic Q waves have been debated. Here we present the latest definition as accepted by the ESC and ACC.<cite>Alpert</cite> | The precise criteria for pathologic Q waves have been debated. Here we present the latest definition as accepted by the ESC and ACC.<cite>Alpert</cite> |