Pharmacology - Chapter 52 - Management of Myocardial Infarction Flashcards
Myocardial Infarction - def
necrosis of myocardium from acute occlusion of coronary artery.
What are some risk factors for MI?
Family history, sedentary lifestyle, obesity, high serum cholesterol, hypertension, smoking, diabetes.
1/3 of people with an MI die within 20 days. T/F?
True!
What are some complications of MI?
Ventricular dysrhythmias, cardiogenic shock, CHF, cardiac rupture, Arterial embolism, deep vein thrombosis, pericarditis.
Diagnosis of MI -
Chest pain (radiating, crushing), EKG changes - elevation of St segment, prominent Q wave, inverted T wave may occur over time, and Biochemical markers, like Creatine Kinase (CK-MB/Troponin 1 and 2)
MI - Acute Phase Management - refers to interval between onset of symptoms and ___ from ____, which is about _ to _ days.
discharge from hospital - 6-10 days.
Goal of treating an MI is to bring __ supply back in balance with __ demand.
Oxygen!!!!
Reperfusion Therapy - def
restore blood flow accomplished by……Thrombolytic Drugs! (Streptokinase, etc.)
Drug Therapy for MI - include….(10)
Thrombolytics, Morphine, Aspirin, Anticoagulants, Nitro, Beta Blocker, Ace Inhibitor, Lidocaine, Magnesium, CCB.
Long QT Syndrome - def
a heart condition associated with prolongation of repolarization (recovery) follwing depolarization (exciation) of the cardiac ventricles.
Long QT Syndrome - associated with…
Snycope (fainting) and suddent death!
Long QT Syndrome - also associated with another dysrythmia…
Torsades de pointes!!!!!!