Epinephrine is the drug of choice for anaphylaxis. It stimulates both the beta-and alpha-adrenergic receptors and inhibits further mediator release from mast cells and basophils. Animal and human data indicate that platelet activating factor (PAF) mediates life-threatening manifestations of anaphylaxis.
Pramati Technologies WaveMaker. Virtual routing and forwarding (VRF) is a technology included in IP (Internet Protocol) network router s that allows multiple instances of a routing table to exist in a router and work simultaneously. This increases functionality by allowing network paths to be segmented without using multiple devices.
Refrigerant flow control is the key to many advantages as well as the. major technical challenge of VRF systems. Note the term VRF systems should not be confused with the centralized VAV (variable. air volume) systems, which work by varying the air flow to the conditioned space based. on variation in room loads.