Living with Progressive familial heart block type II
An inherited heart condition that tends to cause a slow heartbeat and can lead to fainting or seizures.
Understanding Progressive familial heart block type II
It tends to cause a slow heart rate (bradycardia) and a specific type of heart block. This can lead to fainting or seizures called Stokes-Adams attacks. It is inherited in an autosomal dominant pattern.
Signs & symptoms
Symptoms vary from person to person. GARD describes these features:
- Slow heart rate (bradycardia)
- A specific type of heart block
- Fainting (syncopal episodes)
- Seizures (Stokes-Adams attacks)
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Your doctor may refer you to a specialist who knows rare conditions.
- 3Ask which tests can help
Your care team will decide which exams and tests can confirm the diagnosis.
Care & treatment
- Care team
- A doctor familiar with rare conditions, plus specialists as needed
- Expert care
- Ask about multidisciplinary care centers for rare conditions
- Treatment
- GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
- Research
- Clinical trials and observational studies may be options. See the research section below.
General information, not medical advice. Your care team makes the decisions.
Everyday life
Living with a rare condition is easier with support.
- Connect with rare disease patient organizations for support
- Keep notes on symptoms, changes and questions for appointments
- Ask about patient registries that help research
- Look into financial aid and travel resources for care visits
Quick facts
GARD says it is autosomal dominant, meaning a person only needs to inherit one copy of the gene variant from a parent. It doesn't name a gene here.
Also known as: pfhb2; progressive familial heart block, type ii
Patient organizations
Rare-disease groups that can help
- Global GenesRare Diseases · United States
- National Organization for Rare DisordersRare Diseases · United States
- Genetic AllianceRare Diseases · United States
- RARE FoundationRare Diseases · United States
You are more than your diagnosis
Perspectives from people navigating life with Progressive familial heart block type II.
Explore research for Progressive familial heart block type II
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