Is Long COVID Affecting the Heart?

Study points to increased cardiovascular events post-infection

April 17, 2026
2 min

The Pathologist

Overview

A large study from Stockholm involving over 1.2 million adults indicates that individuals with long COVID have a heightened risk of cardiovascular disease, regardless of the severity of their initial COVID-19 infection. This underscores the necessity for ongoing cardiovascular monitoring in these patients.

Background

Long COVID has emerged as a significant health concern, affecting millions globally and presenting a range of symptoms, including fatigue, respiratory issues, and cardiovascular problems such as arrhythmias and coronary artery disease. Understanding the cardiovascular implications of long COVID is crucial for effective patient management and prevention strategies.

Data Highlights

Group	Cardiovascular Event Rate
Women with Long COVID	~20%
Women without Long COVID	<10%
Men with Long COVID	~20% (exact percentage needed)

Key Findings

Individuals with long COVID have a higher risk of cardiovascular disease.
Nearly 20% of women with long COVID experienced cardiovascular events.
Long COVID is associated with increased risk of cardiac arrhythmias and coronary artery disease.
The study utilized physician-recorded diagnoses, enhancing the reliability of findings.
Continued clinical awareness and structured follow-up, including specific laboratory tests, are essential for patients with long COVID.

Clinical Implications

Healthcare providers should incorporate cardiovascular risk assessments in the management of patients with long COVID. Regular monitoring and evaluation using laboratory tests such as cardiac biomarkers and lipid profiles may aid in identifying and managing potential cardiovascular complications.

Conclusion

The findings emphasize the need for heightened awareness of cardiovascular risks in patients with long COVID, supporting the necessity for ongoing clinical follow-up and assessment, including structured monitoring protocols.