Hit

What Is HIT? What Causes HIT? For some people, heparin triggers their When you have an immune response to heparin, it can lower your platelet count too far, a condition called thrombocytopenia. Heparin molecules bind with a protein to form something called heparin-PF4. When you have heparin-induced thrombocytopenia, your immune system sees heparin-PF4 as an intruder and attacks it, setting off a chain reaction that leads to blood clots. There’s another type of HIT that doesn't have anything to do with your immune system. Nonimmune HIT isn't harmful, and it causes a mild dip in your platelet count. It happens to 10% of people with HIT. If you get it, your body will recover about 4 days after you stop taking heparin. It's also possible to have something called early-onset HIT. That's when HIT symptoms come within 24 hours after you take heparin. It might happen if you took heparin in the last few months, your body has HIT antibodies, and you're exposed to heparin again. You can also get HIT symptoms long after you stop taking the drug. Your doctor would call this delayed-onset HIT. It's very rare. What Are the Symptoms of HIT? Immune-induced HIT usually happens from 5 days to 2 weeks after you take your first dose of heparin. It can cause your body to form dangerous • Deep-vein thrombosis ( • Pulmonary embolism (PE), a clot that travels to a lung from a different part of your body. These things happen in about 50% of people with HIT. Clots in the leg, lung, or • • Swelling •...

Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012 hit Past participle: hit Gerund: hitting Imperative hit hit Present I hit you hit he/she/it hits we hit you hit they hit Preterite I hit you hit he/she/it hit we hit you hit they hit Present Continuous I am hitting you are hitting he/she/it is hitting we are hitting you are hitting they are hitting Present Perfect I have hit you have hit he/she/it has hit we have hit you have hit they have hit Past Continuous I was hitting you were hitting he/she/it was hitting we were hitting you were hitting they were hitting Past Perfect I had hit you had hit he/she/it had hit we had hit you had hit they had hit Future I will hit you will hit he/she/it will hit we will hit you will hit they will hit Future Perfect I will have hit you will have hit he/she/it will have hit we will have hit you will have hit they will have hit Future Continuous I will be hitting you will be hitting he/she/it will be hitting we will be hitting you will be hitting they will be hitting Present Perfect Continuous I have been hitting you have been hitting he/she/it has been hitting we have been hitting you have been hitting they have been hitting Future Perfect Continuous I will have been hitting you will have been hitting he/she/it will have been hitting we will have been hitting you will have been hitting they will have been hitting Past Perfect Continuous I had been hitting you had been hitting he/she/it had been hitting we had b...

What Is HIT? What Causes HIT? For some people, heparin triggers their When you have an immune response to heparin, it can lower your platelet count too far, a condition called thrombocytopenia. Heparin molecules bind with a protein to form something called heparin-PF4. When you have heparin-induced thrombocytopenia, your immune system sees heparin-PF4 as an intruder and attacks it, setting off a chain reaction that leads to blood clots. There’s another type of HIT that doesn't have anything to do with your immune system. Nonimmune HIT isn't harmful, and it causes a mild dip in your platelet count. It happens to 10% of people with HIT. If you get it, your body will recover about 4 days after you stop taking heparin. It's also possible to have something called early-onset HIT. That's when HIT symptoms come within 24 hours after you take heparin. It might happen if you took heparin in the last few months, your body has HIT antibodies, and you're exposed to heparin again. You can also get HIT symptoms long after you stop taking the drug. Your doctor would call this delayed-onset HIT. It's very rare. What Are the Symptoms of HIT? Immune-induced HIT usually happens from 5 days to 2 weeks after you take your first dose of heparin. It can cause your body to form dangerous • Deep-vein thrombosis ( • Pulmonary embolism (PE), a clot that travels to a lung from a different part of your body. These things happen in about 50% of people with HIT. Clots in the leg, lung, or • • Swelling •...

Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012 hit Past participle: hit Gerund: hitting Imperative hit hit Present I hit you hit he/she/it hits we hit you hit they hit Preterite I hit you hit he/she/it hit we hit you hit they hit Present Continuous I am hitting you are hitting he/she/it is hitting we are hitting you are hitting they are hitting Present Perfect I have hit you have hit he/she/it has hit we have hit you have hit they have hit Past Continuous I was hitting you were hitting he/she/it was hitting we were hitting you were hitting they were hitting Past Perfect I had hit you had hit he/she/it had hit we had hit you had hit they had hit Future I will hit you will hit he/she/it will hit we will hit you will hit they will hit Future Perfect I will have hit you will have hit he/she/it will have hit we will have hit you will have hit they will have hit Future Continuous I will be hitting you will be hitting he/she/it will be hitting we will be hitting you will be hitting they will be hitting Present Perfect Continuous I have been hitting you have been hitting he/she/it has been hitting we have been hitting you have been hitting they have been hitting Future Perfect Continuous I will have been hitting you will have been hitting he/she/it will have been hitting we will have been hitting you will have been hitting they will have been hitting Past Perfect Continuous I had been hitting you had been hitting he/she/it had been hitting we had b...

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Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012 hit Past participle: hit Gerund: hitting Imperative hit hit Present I hit you hit he/she/it hits we hit you hit they hit Preterite I hit you hit he/she/it hit we hit you hit they hit Present Continuous I am hitting you are hitting he/she/it is hitting we are hitting you are hitting they are hitting Present Perfect I have hit you have hit he/she/it has hit we have hit you have hit they have hit Past Continuous I was hitting you were hitting he/she/it was hitting we were hitting you were hitting they were hitting Past Perfect I had hit you had hit he/she/it had hit we had hit you had hit they had hit Future I will hit you will hit he/she/it will hit we will hit you will hit they will hit Future Perfect I will have hit you will have hit he/she/it will have hit we will have hit you will have hit they will have hit Future Continuous I will be hitting you will be hitting he/she/it will be hitting we will be hitting you will be hitting they will be hitting Present Perfect Continuous I have been hitting you have been hitting he/she/it has been hitting we have been hitting you have been hitting they have been hitting Future Perfect Continuous I will have been hitting you will have been hitting he/she/it will have been hitting we will have been hitting you will have been hitting they will have been hitting Past Perfect Continuous I had been hitting you had been hitting he/she/it had been hitting we had b...

What Is HIT? What Causes HIT? For some people, heparin triggers their When you have an immune response to heparin, it can lower your platelet count too far, a condition called thrombocytopenia. Heparin molecules bind with a protein to form something called heparin-PF4. When you have heparin-induced thrombocytopenia, your immune system sees heparin-PF4 as an intruder and attacks it, setting off a chain reaction that leads to blood clots. There’s another type of HIT that doesn't have anything to do with your immune system. Nonimmune HIT isn't harmful, and it causes a mild dip in your platelet count. It happens to 10% of people with HIT. If you get it, your body will recover about 4 days after you stop taking heparin. It's also possible to have something called early-onset HIT. That's when HIT symptoms come within 24 hours after you take heparin. It might happen if you took heparin in the last few months, your body has HIT antibodies, and you're exposed to heparin again. You can also get HIT symptoms long after you stop taking the drug. Your doctor would call this delayed-onset HIT. It's very rare. What Are the Symptoms of HIT? Immune-induced HIT usually happens from 5 days to 2 weeks after you take your first dose of heparin. It can cause your body to form dangerous • Deep-vein thrombosis ( • Pulmonary embolism (PE), a clot that travels to a lung from a different part of your body. These things happen in about 50% of people with HIT. Clots in the leg, lung, or • • Swelling •...