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Information for Patients and Families

Thrombosis Canada resources for patients and families includes our series of Q&A Videos and FAQ document that can be accessed below

Scroll down the page for more videos and our Q&A PDF.

View the video presentation from our June 23, 2020 program here:

June 23 Program Evaluation

For answers to individual questions, click on the question below to access an answer from one of our experts:

What is my risk for thrombosis if I am COVID-19 positive but have mild to moderate symptoms and am staying at home?

If I have COVID-19 and have mild or moderate symptoms (I am at home), should I be receiving a blood thinner such as heparin injections or aspirin?

I have had a prior occurrence of thrombosis (DVT or PE) but am no longer receiving blood thinning therapy. If I become infected with COVID-19, should I  restart the blood thinner?

I have an abnormal mutation (factor V Leiden or prothrombin gene) that predisposes to developing thrombosis but have never had an occurrence of thrombosis. If I become infected with COVID-19, should I start the blood thinner or aspirin?

I have a family member who is living in a retirement home where a resident is affected with COVID-19. Should my family member, who is otherwise well, receive a blood thinner or aspirin as protection against thrombosis?

I have a family member who is living in a nursing home where a resident is affected with COVID-19. Should my family member, who is unwell, receive a blood thinner or aspirin as protection against thrombosis?

I have a family member who is in hospital with COVID-19 infection and is unwell. Is he/she at increased risk for developing blood clots? Should he/she be receiving blood thinners to prevent blood clots?

I was hospitalized for COVID-19 but did not require care in the ICU. I have recovered and am now at home. I was given blood thinning injections while I was in the hospital. Should I be receiving blood thinners now, while I am at home?

I was hospitalized for COVID-19 and did require care in the ICU. I have recovered and am now at home. I was given blood thinning injections while I was in the hospital. Should I be receiving blood thinners now, while I am at home?

I have young children and have heard that I should watch out for ‘dusky-coloured toes’ as an indicator of COVID-19. What does this mean? Are dusky-coloured toes in children a sign that a blood clot is present?

I am pregnant and have COVID-19 but am well, with very mild symptoms. Should I be receiving blood thinners during pregnancy? What about after delivery?

If I had a prior blood clot, am I at higher risk of developing COVID-19 infection?

If I have COVID-19 infection, am I at increased risk of developing a heart attack or stroke?

I am receiving warfarin to prevent blood clots because of an irregular heartbeat (or atrial fibrillation) and have blood testing (INR test) every 2 to 4 weeks. I am concerned about visiting the laboratory for blood testing.

I developed a blood clot a few weeks/months before the COVID-19 pandemic and am receiving blood thinners. Do I need to visit a health care facility to have additional X-ray tests that will see if the blood clot is still there?

I previously had a blood clot in the lungs (pulmonary embolism) but am no longer taking blood thinners. If I develop chest pain or difficulty breathing, should I go to the Emergency Department in case this is another blood clot?

I previously had a blood clot in the legs (deep vein thrombosis) but am no longer taking blood thinners. If I develop leg pain or leg swelling, should I go to the Emergency Department in case this is another blood clot?

Download the companion document here:

Click to download the PDF document