Quaaludes were originally prescribed for things like sleeplessness and anxiety, but have since been made illegal because of their addictiveness. Methaqualone is classified as a hypnotic sedative and was originally prescribed to treat anxiety and relax muscles.uaaludes were originally prescribed for things like sleeplessness and anxiety, but have since been made illegal because of their addictiveness. Methaqualone is classified as a hypnotic sedative and was originally prescribed to treat anxiety and relax muscles.
1 Serum levels increase within 3-12 hours from the onset of chest pain, peak at 24-48 hours, and return to baseline over 5-14 days. 2  Troponin levels may not be detectable for six hours after the onset of myocardial cell injury. 3  The most sensitive early marker for myocardial infarction is myoglobin.
Myocardial infarction: A heart attack. Abbreviated MI. The term myocardial infarction focuses on the myocardium (the heart muscle) and the changes that occur in it due to the sudden deprivation of circulating blood. The main change is necrosis (death) of myocardial tissue. The word infarction comes from the Latin infarcire meaning to plug up or cram..