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C a r d i o v a s c u l a r D i s o r d e r s
Chapter 6
• Cardiovascular Disorders
73
Superior vena cava
Right atrium
Right coronary artery
Circumflex branch of left
coronary artery
Left anterior descending artery
Arch of aorta
Pulmonary trunk
Left atrium
Papillary muscle
Damaged muscle from
myocardial infarction
Zones of myocardial infarction
Reversible ischemia
Severe ischemia
(recovery possible with revascularization)
Necrosis
TISSUE DESTRUCTION IN MYOCARDIAL INFARCTION
•
Percutaneous transluminal coronary angioplasty with or
without stent placement
•
Atropine, lidocaine, transcutaneous pacing patches or a
transvenous pacemaker, a defibrillator, and epinephrine
•
Beta-adrenergic blockers, angiotensin-converting enzyme
inhibitors, and magnesium sulfate