Johnson and Johnson Vaccine Pause: A Rare Blood Clot Called Cerebral Venous Sinus Thrombosis (CVST)

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Professor Roger Seheult, MD of​ discusses the association between a rare type of blood clot and the Johnson and Johnson Vaccine, and the decision by the FDA and CDC to recommend pausing the use of the J and J vaccine. Dr. Seheult illustrates cerebral venous sinus thrombosis (CVST), explains the relative risk, treatment, and warning signs of this rare complication (This video was recorded on April 14, 2021).

Roger Seheult, MD is the co-founder and lead professor at​ He is Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine and an Associate Professor at the University of California, Riverside School of Medicine.

Interviewer: Kyle Allred, Physician Assistant, Producer, and Co-Founder of

00:00​ Overview of FDA & CDC decision to pause Johnson & Johnson vaccine in the U.S. amid rare blood clot cases
01:54​ What is Cerebral Venous Sinus Thrombosis (CVST)?
03:41​ What are the symptoms of CVST, or Cerebral Venous Sinus Thrombosis?
04:17​ Other risk factors for CVST
04:45​ Best tools for medical professionals to make CVST diagnosis
05:01​ Is CVST what we’re seeing with the J&J vaccine, and what’s the actual likelihood of it happening?
07:05​ Why it’s contraindicated for medical professionals to treat these blood clots with heparin products
07:33​ How is this similar and/or different from what’s been reported about the AstraZeneca vaccine and blood clots?
09:18​ Relative risk of CVST from (potentially) J&J vaccine versus other factors
11:37​ What is VAERS? Clearing up some common misunderstandings
13:25​ What to do if you were scheduled to get the Johnson & Johnson vaccine
14:12​ What symptoms to look for if you’ve received the J&J vaccine within the past 2-3 weeks
15:14​ Can clotting from this condition happen in other places in the body besides the brain?
15:42​ Different symptoms of blood clots in the lungs and legs
15:25​ Possible explanation for disproportionate cases of post-J&J vaccine thrombosis in young women
18:03​ Should people proceed as normal with receiving mRNA COVID-19 vaccines (such as Pfizer-BioNTech and Moderna)?
19:36​ Different perspectives on decision to pause J&J vaccination amid vaccine hesitancy
23:11​ Advice for people still on the fence about receiving a COVID-19 vaccine
24:43​ How to care for yourself and others to prevent further lockdown and COVID-19 transmission

LINKS / REFERENCES: Thrombotic Thrombocytopenia after ChAdOx1 nCov-19 Vaccination |…​ (New England Journal of Medicine)

Joint CDC and FDA Statement on Johnson & Johnson COVID-19 Vaccine |…​ (FDA)

Vaccine Adverse Event Reporting System |

Worldometer |…

Newsweek |…

Nate Silver’s Twitter Page |

All coronavirus updates are at (including more discussion on Johnson & Johnson Vaccine, COVID variants, COVID mutations, COVID 19 Vaccine, Pfizer Vaccine, Moderna Vaccine, coronavirus variant, Cerebral Venous Sinus Thrombosis, CVST, COVID vaccine, vaccine uptake, and more).

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