Hypertrophic Cardiomyopathy 2 C1861864
A hereditary heart disorder causing thickening of the heart muscle, which may obstruct blood flow and affect heart rhythm. Management involves medications, activity restrictions, and monitoring.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- Body system
- cardiovascular
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Exertional chest pain
Syncope
Chest discomfort or palpitations
(cardiovascular)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Exertional dyspnea
(cardiovascular)Palpitations
(cardiovascular)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
Calcium channel blockers
Second-line therapy with non-dihydropyridine calcium channel blockers such as verapamil to improve diastolic relaxation and reduce symptoms when beta-blockers are contraindicated or ineffective. These agents decrease heart rate and improve ventricular filling.
Disease management and monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Risk stratification and ICD evaluation
Comprehensive assessment using established risk factors including family history of sudden death, unexplained syncope, massive left ventricular hypertrophy, and abnormal blood pressure response to exercise to determine candidacy for implantable cardioverter-defibrillator placement.
Additional treatment options
Disopyramide therapy
Class Ia antiarrhythmic agent that reduces outflow tract obstruction through negative inotropic effects. Used as adjunctive therapy for symptom control in patients with significant gradient and refractory symptoms.
medicationSurgical myectomy
Gold-standard surgical intervention for drug-refractory symptoms with significant outflow obstruction. The procedure involves removing hypertrophied septal tissue through an aortotomy approach to relieve obstruction and improve symptoms.
surgicalFluid and sodium management
Dietary counseling to maintain adequate hydration while avoiding excessive sodium intake, which can worsen outflow obstruction. Patients are educated on reading food labels and avoiding high-sodium processed foods.
dietaryWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Hypertrophic Cardiomyopathy 2 C1861864?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Hypertrophic Cardiomyopathy 2 C1861864. 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