Anterior myocardial infarction

1


Loss of R waves

• Onset within hours to a day
• Leads to Pathologic Q Waves
• Tend to be permanent but can narrow over time

Site of infarct related to electrocardiographic Q wave location

Location	Leads
Inferior Anterior Lateral	II, III, aVF V1 to V4 I, aVL, V5, V6
Extra leads
Right ventricle Posterior wall	Right sided chest leads V7 to V9

BMJ 2002;324:1023-1026