Definity and Psvt - a phase IV clinical study of FDA data

Summary:

Psvt is reported as a side effect among people who take Definity (perflutren), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Plavix, and have High blood pressure.

The phase IV clinical study analyzes which people have Psvt when taking Definity. It is created by eHealthMe based on reports of 4,852 people who have side effects when taking Definity from the FDA, and is updated regularly.

What is Definity?

Definity has active ingredients of perflutren. eHealthMe is studying from 4,853 Definity users. Check the latest studies of Definity.

What is Psvt?

Psvt (abnormally fast heart rate) is found to be associated with 2,021 drugs and 1,867 conditions by eHealthMe. Check the latest studies of Psvt.

On Jun, 19, 2026

4,852 people reported to have side effects when taking Definity.
Among them, 18 people (0.37%) have Psvt.

Among these 18 people:

How long have people been on Definity when they have Psvt? *

What is the gender of people who have Psvt when taking Definity? *

female: 64.71 %
male: 35.29 %

What is the age of people who have Psvt when taking Definity? *

What are other drugs people take besides Definity? *

What are other side effects people have besides Psvt? *

Fainting (loss of consciousness and postural tone): 4 people, 22.22%
High Blood Pressure: 4 people, 22.22%
Dyspnea (difficult or laboured breathing): 4 people, 22.22%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 3 people, 16.67%
Cardiac Arrest: 3 people, 16.67%
Cardio-Respiratory Arrest (sudden dysfunction of heart and lungs): 2 people, 11.11%
Back Pain: 2 people, 11.11%
Chest Pain: 2 people, 11.11%
Contrast Media Allergy (reaction associated with the use of intravenous contrast material during radiology): 1 person, 5.56%
Discomfort: 1 person, 5.56%

What are the existing conditions these people have? *

High Blood Pressure: 3 people, 16.67%
Pain: 2 people, 11.11%
Diabetes: 2 people, 11.11%
Shock (a life-threatening condition with symptoms like low blood pressure, weakness, shallow breathing, cold, clammy skin): 1 person, 5.56%
High Blood Cholesterol: 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Definity and have Psvt?

- Check whether Psvt is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Definity:

Definity (4,853 reports)

Psvt treatments and more:

Psvt (17,291 reports)

Browse all side effects of Definity:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Psvt:

Psvt (2,021 drugs)

Browse all the conditions that are associated with Psvt:

Psvt (1,867 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on perflutren (the active ingredients of Definity) and Definity (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.