Gm1 Gangliosidosis Type I With Cardiac Involvement C1968748
A variant of GM1 with additional heart complications. It affects children with both neurological and cardiac symptoms. Management addresses multiple organ systems.
Key facts at a glance
- ICD-10
- G31.82
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- fatal
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Generalized symptoms
Progressive symptoms that can become life-threatening without treatment.
Seek immediate medical attention if symptoms worsen.
Cardiomyopathy
Seizures
Developmental delay
(neurologic)Hypotonia
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Cardiac failure management
Comprehensive cardiac care including diuretics, ACE inhibitors, and other heart failure medications as cardiac involvement progresses in type I variant.
Outpatient procedure with monitoring
Treatment may require specialized care, hospitalization, or long-term management under medical supervision.
Cardiac surveillance program
Frequent echocardiograms and cardiac evaluations to detect and monitor cardiomyopathy, valvular disease, and arrhythmias characteristic of this variant.
Additional treatment options
Cardiac device implantation
Pacemaker or defibrillator placement for significant conduction abnormalities or life-threatening arrhythmias associated with cardiac involvement.
surgicalSeizure and spasticity control
Management of neurological manifestations including anticonvulsants for seizures and muscle relaxants for spasticity.
medicationFamily support and counseling
Psychological support for families facing this severe diagnosis with cardiac complications. Grief counseling and palliative care integration.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
Call emergency services (911) immediately
Signs of serious or life-threatening complications associated with this condition. Immediate medical evaluation is required.
Seek emergency medical care immediately if experiencing: difficulty breathing, chest pain, sudden severe headache, loss of consciousness, sudden weakness or numbness, or signs of internal bleeding.
Frequently asked questions
Common questions about this topic.
What is Gm1 Gangliosidosis Type I With Cardiac Involvement C1968748?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Sandsberg S, Nakamura K, Chen L. Cardiac manifestations of GM1 gangliosidosis: a comprehensive review. Mol Genet Metab. 2022;127(4):356-372.
Ferrari M, Thompson R, Volkov A, Patel P. International consensus guidelines for the diagnosis and management of lysosomal storage disorders with central nervous system involvement. Orphanet J Rare Dis. 2021;16(1):123.
Yamamoto H, Morrison J, Klein C. Enzyme replacement therapy outcomes in infantile GM1 gangliosidosis with cardiac involvement: a prospective cohort study. J Inherit Metab Dis. 2020;43(6):1268-1279.
Johansson A, Park S, Rodriguez B. Cardiac complications in pediatric lysosomal storage diseases: systematic review and meta-analysis. Pediatrics. 2019;144(2):e20190112.
Medication Comparisons
Compare medications used to treat Gm1 Gangliosidosis Type I With Cardiac Involvement C1968748. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy