Types of Communication Flow. Communication, defined as the exchange of information and ideas, manifests itself in business and other organizations with four main types communication flow. These are upward, downward, horizontal, and multi-directional. All are important to the success of an organization. The main method of communication depends upon its structure.
Lipitor (Pfizer), Atorvastatin (INN), is a member of the drug class known as statins, used for lowering blood cholesterol. It also stabilizes plaque and prevents strokes through anti-inflammatory and other mechanisms.
Atorvastatin is a prescription medicine used to treat high cholesterol. It is marketed as a calcium salt under the brand name Lipitor (atorvastatin calcium), produced by Pfizer. It is also available as a generic medicine. Atorvastatin is a member of the drug class HMG-CoA inhibitor (statin). Atorvastatin works by potentially decreasing the production of cholesterol in the body through blocking the cholesterol-producing enzyme in the liver.