Cardiac Implications of COVID-19 Coronavirus

The American College of Cardiology (ACC) released a clinical bulletin to address early cardiac implications of the current novel coronavirus epidemic, COVID-19.

MARCH 27, 2020 -- The American College of Cardiology (ACC) released a clinical bulletin to address early cardiac implications of the current novel coronavirus epidemic, COVID-19 (coronavirus disease 2019).[1,2] The guidance is based on case reports as well as "provides information on the potential cardiac implications from analog viral respiratory pandemics and offers early clinical guidance given current COVID-19 uncertainty."

Because "viral infections such as influenza can destabilize and worsen cardiac conditions," it is likely that COVID-19 will also have an effect, with varying severity in individuals, particularly given indications that 40% of patients with COVID-19 have underlying cardiovascular or cerebrovascular disease.[1,2] These patients are at high risk of having complications and/or dying.

Acute Cardiac Complications of COVID-19

ACC Guidance

  • COVID-19 is a fast-moving epidemic with an uncertain clinical profile; providers should be prepared for guidance to shift as more information becomes available.

  • COVID-19 is spread through droplets and can live for substantial periods outside the body; containment and prevention using standard public health and personal strategies for preventing the spread of communicable disease remains the priority.

  • Make plans to quickly identify and isolate cardiovascular patients with COVID-19 symptoms from other patients, including in the ambulatory setting.

  • Those with underlying cardiovascular disease (CVD) have a higher risk of contracting COVID-19 and have a worse prognosis. Advise these patients of the potential increased risk and encourage additional, reasonable precautions.

  • It is important for patients with CVD to be up to date with vaccinations, including the pneumococcal vaccine, given the increased risk of secondary bacterial infection; it would also be prudent to receive influenza vaccination to prevent another source of fever which could be initially confused with coronavirus infection.

  • Older adults are less likely to present with fever, thus close assessment for other symptoms such as cough or shortness of breath is warranted.


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In areas with active COVID-19 outbreaks, substituting telephone/telehealth visits for in-person routine visits for stable CVD patients may be reasonable.

  • The emphasis for CVD patients in areas without widespread COVID-19 should remain on the threat from influenza, the importance of vaccination, and frequent handwashing, and continued adherence to all guideline-directed therapy for underlying chronic conditions.

  • It is reasonable to triage COVID-19 patients according to the presence of underlying cardiovascular, diabetic, respiratory, renal, oncologic, and other chronic diseases for prioritized treatment.

  • Providers are cautioned that classic symptoms and presentation of acute myocardial infarction may be overshadowed in the context of coronavirus, resulting in underdiagnosis.

  • Some experts have suggested that the rigorous use of guideline-directed, plaque-stabilizing agents could offer additional protection to patients with CVD during a widespread outbreak (statins, beta blockers, angiotensin-converting enzyme inhibitors, [ACEIs], acetylsalicylic acid [ASA]); however, such therapies should be tailored to individual patients.

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    Sources: 1. Jeffrey S. ACC guidance on cardiac implications of coronavirus. Medscape Medical News. Available at: 2. American College of Cardiology. ACC clinical bulletin: COVID-19 clinical guidance for the cardiovascular care team. Available at:

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