Rare diseases · Sign or symptom
Abnormal EKG
Abnormal ECG
HP:0003115
What it means
Abnormal rhythm of the heart.
Rare diseases that can present with this21
Very common80–99%
9- ATTRV122I amyloidosis
- Cardiogenic shock
- Complete atrioventricular septal defect
- Dextrocardia
- Idiopathic neonatal atrial flutter
- Noonan syndrome
- Recurrent metabolic encephalomyopathic crises-rhabdomyolysis-cardiac arrhythmia-intellectual disability syndrome
- Tropical endomyocardial fibrosis
- Wild type ATTR amyloidosis
Common30–79%
6Sometimes5–29%
5The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Abnormal electrocardiogram · EKG abnormality
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.