It's a test where a plastic tube is passed through an artery to the heart. Dye is injected, allowing the doctor to see any blockages in the heart. The typical symptoms include, but are not limited to, tightness in chest, trouble breathing, arm or jaw pain, sweating, nausea. If more than one of these symptoms occur at once, chew a baby aspirin & get to an ER quickly.
Founded in 1946, ACV Triangle Tube is a hot water heating equipment innovator, manufacturer and supplier. Headquartered in New Jersey, Triangle Tube works with residential, commercial and industrial clients to provide space heating, water heating and related HVAC supplies.
1 The most common gas water heater is technically called an âatmospheric ventâ type. 2  Direct vent water heaters, like the one shown above, do not utilize the air in the room around the water heater for combustion. 3  The direct vent design solves two problems that are inherent in an atmospheric vent water heater: