Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Hyperkalemia-induced ECG abnormalities in patients with reduced renal function.

C Esposito¹, N Bellotti, G Fasoli

¹Dialysis and Transplantation, IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy. espositociro56@hotmail.com

Clinical Nephrology

|January 6, 2005

Summary

Hyperkalemia, a dangerous condition, can cause varied ECG changes in patients with kidney failure. Rapid development of high potassium levels, not always the severity, dictates ECG abnormality severity.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Cone Beam CT-guided Online Adaptive Radiotherapy for Prostate Stereotactic Body Radiation Therapy.

Practical radiation oncology·2026

Same author

From models to medicine: advanced preclinical systems and AI enabling RNA therapeutics in triple-negative breast cancer.

European review for medical and pharmacological sciences·2026

Same author

The application of EPSiT in pilonidal sinus disease: an international Delphi consensus study endorsed by the Association of Laparoscopic Surgeons of Great Britain and Ireland (ALSGBI).

Techniques in coloproctology·2025

Same author

Buccal micronucleus cytome assay to evaluate cyto-genotoxic effects of occupational exposure to antineoplastic drugs: application on a large sample size of workers furnished by an Italian network of oncological hospitals.

Archives of toxicology·2025

Same author

Bioarchaeology aids the cultural understanding of six characters in search of their agency (Tarquinia, ninth-seventh century BC, central Italy).

Scientific reports·2024

Same author

Metal(loid)s and Rare Earth Elements in Posidonia oceanica (L.) Delile (1813) banquettes.

Marine pollution bulletin·2024

Area of Science:

Nephrology
Cardiology
Clinical Medicine

Background:

Hyperkalemia is a critical condition often presenting with electrocardiogram (ECG) abnormalities, particularly in patients with impaired renal function.
ECG changes in hyperkalemia are not solely dose-dependent and can be influenced by the rate of potassium level increase and concurrent electrolyte imbalances.

Observation:

This study details three cases of renal failure patients experiencing diverse ECG alterations attributed to hyperkalemia.
The observed ECG abnormalities were more pronounced when hyperkalemia developed rapidly.

Findings:

The severity of ECG changes correlated with the speed of hyperkalemia development, rather than the absolute potassium level or associated electrolyte disorders.
Minor ECG abnormalities in renal failure patients warrant attention, as critical changes are not consistently linked to severe hyperkalemia.

Related Experiment Videos

Implications:

Physicians should maintain a high index of suspicion for hyperkalemia in renal failure patients, even with subtle ECG findings.
The dynamic nature of hyperkalemia necessitates prompt recognition and management to prevent potentially life-threatening cardiac events.