For example, many heart attack patients have undergone thrombolysis, a procedure that involves injecting a clot-dissolving agent to restore blood flow in a coronary artery (View an illustration of coronary arteries). This procedure is administered within a few (usually three) hours of a heart attack.
Hon Lik invented the e-cigarette to quit smoking â but now he's a dual user. Hon Lik, inventor of the e-cigarette, uses one of the devices in London on Tuesday. Hon Lik, the inventor of the e-cigarette, had hoped to kick his heavy smoking â the habit that killed his father. But the pharmacist, from Shenyang in north-east China, did not manage to quit. He now uses both â but says he only smokes tobacco because he has to check the flavours in his devices.
The main component of e-cigarettes is the e-liquid contained in cartridges. To create an e-liquid, nicotine is extracted from tobacco and mixed with a base (usually propylene glycol), and may also include flavorings, colorings and other chemicals.