Definition. Methicillin-resistant Staphylococcus aureus (MRSA) infection is caused by a type of staph bacteria that's become resistant to many of the antibiotics used to treat ordinary staph infections.efinition. Methicillin-resistant Staphylococcus aureus (MRSA) infection is caused by a type of staph bacteria that's become resistant to many of the antibiotics used to treat ordinary staph infections.
Contraindications and Precautions: 1  Vasopressin is a potent vasoconstrictor and can cause cardiac ischemia, angina and bronchoconstriction. 2  Water intoxication can occur. 3  Extravasation of the drug can cause tissue necrosis. 4  If the patient has a known hypersensitivity to vasopressin, this drug is contraindicated. 5  The pregnancy category for 6  ... Use ...
Associated with vascular smooth muscle are a large number of alpha 1 receptors relative to beta 2 receptors. Activation of these receptors by sympathetic nervous system transmission or drugs will result in vasoconstriction and an increase in peripheral resistance and systemic arterial blood pressure.he adrenergic receptors which subserve the response of the sympathetic nervous system have been divided into two discrete subtypes: alpha adrenergic receptors (alpha receptors) and beta adrenergic receptors (beta receptors).