This is based on observations from preinfarction angiograms. Diaphoresis is particularly common in inferior infarcts. Dyspnea and syncope are similarly associated. The syncopal episode is attributable to bradycardia, heart block and tachyarrythmias. Dizziness is also common.
Patients are anxious and in distress.
If a left bundle branch block occurs, the second heart sound splits. If you block coronary circulation ATP is used up in seconds and ischemic pain begins with change to aerobic glycolysis and increase in lactic acid. Dr. Miller has decided to give individual oral exams to assess competence. He presents you with a slide taken from the posterior septum of and shows you a picture. A 44 year old, otherwise healthy female, died suddenly.