Each of the 12 ECG leads records the electrical activity of the heart from a different angle, and therefore align with different anatomical areas of the heart. Two leads that look at neighboring anatomical areas are said to be contiguous.
PCP can be snorted, smoked, injected, or swallowed. It is sometimes smoked after being sprinkled on marijuana, tobacco, or parsley. Ketamineâalso known as K, Special K, or cat Valiumâis a dissociative currently used as an anesthetic for humans as well as animals. Much of the ketamine sold on the street has been diverted from veterinary offices.
The latter may be important in the salutory actions of barbiturates in brain ischemia, head trauma and cerebrovasospasm. Unlike barbiturates, ketamine was found to exert spasmogenic actions on cerebral arteries, which may aid in explaining the inability of this anesthetic to be of therapeutic value in brain ischemia.he latter may be important in the salutory actions of barbiturates in brain ischemia, head trauma and cerebrovasospasm. Unlike barbiturates, ketamine was found to exert spasmogenic actions on cerebral arteries, which may aid in explaining the inability of this anesthetic to be of therapeutic value in brain ischemia.