Diabetic Heart Disease
Learn about Diabetic Heart Disease, its reported features, relevant specialists, and questions to discuss at a medical consultation.
The sources compiled here do not cover: prognosis, onset, prevalence. Ask the treating doctor about these.
What is diabetes?
From: MedlinePlus, National Library of Medicine
Diabetes is a disease in which your blood glucose, or blood sugar, levels are too high. Glucose comes from foods you eat. The cells of your body need glucose for energy. A hormone called insulin helps the glucose get into your cells.
With type 1 diabetes, your body doesn't make insulin. With type 2 diabetes, your body doesn't make or use insulin well. Without enough insulin, glucose builds up in your blood and causes high blood sugar levels.
What is diabetic heart disease?
From: MedlinePlus, National Library of Medicine
Diabetic heart disease is a term for heart disease in people who have diabetes. If you have diabetes, you are much more likely to develop heart disease or have a stroke than people who don't have diabetes. And you may start having these problems at a younger age.
Over time, the effects of high blood sugar from diabetes can include damage to the blood vessels and nerves in your heart. This damage increases your chance of developing heart diseases, including:
- Coronary artery disease (CAD). It happens slowly as a sticky material called plaque builds up in the arteries that supply your heart muscle with blood.
- Heart failure. With this condition, your heart can't pump enough oxygen-rich blood to meet the needs of your body.
- Cardiomyopathy. This is a group of diseases in which the heart muscle may become thick or stiff.
Who is more likely to develop diabetic heart disease?
From: MedlinePlus, National Library of Medicine
Diabetes puts you at serious risk for heart disease. It also makes you more likely to develop other conditions that raise your risk even more, including:
- High blood pressure
- High blood levels of LDL "bad" cholesterol
- High triglycerides (a type of fat in your blood) with low blood levels of HDL "good" cholesterol
- Are male
- Smoke
- Have obesity
- Have too much belly fat around your waist, even though you're at a healthy weight: For men, that's a waist more than 40 inches For women, that's a waist more than 35 inches
- Have a family history of heart disease
- Have chronic kidney disease
Your risk for heart disease is also higher if you
What are the symptoms of diabetic heart disease?
From: MedlinePlus, National Library of Medicine
In the early stages, heart disease usually doesn't have any symptoms. But if your heart disease worsens, you can have symptoms. Your symptoms will depend on the type of heart disease you have. They might include:
- Shortness of breath
- Fatigue
- Dizziness or fainting
- Arrhythmia (problem with the rate or rhythm of your heartbeat)
- Swollen feet and ankles
- Chest pain
It's important to know that people with diabetes may not feel chest pain. That's because diabetes can damage the nerves in your heart. If you have any symptoms that could be heart disease, talk with your health care provider.
How is diabetic heart disease diagnosed?
From: MedlinePlus, National Library of Medicine
To find out if you have diabetic heart disease, your provider will:
- Ask about your medical history, including your symptoms and other health conditions you may have
- Ask about your family history, to find out if you have relatives who have or had heart disease
- Do a physical exam
- Likely run some tests to help understand your personal risk for heart disease, including: Blood tests to check your cholesterol, triglycerides, and blood sugar levels A blood-pressure check Heart tests, if needed
Depending on your risk level, your provider may send you to a cardiologist (a doctor who specializes in heart diseases) for care. If you do have heart disease, treatment will depend on the type of heart disease you have.
How can I prevent diabetic heart disease?
From: MedlinePlus, National Library of Medicine
You may be able to prevent heart disease or keep it from getting worse by working with your provider to:
- Control your blood sugar levels
- Manage other conditions you may have that can raise your risk for heart disease
- Take any medicines your provider prescribed
- Make heart-healthy habits part of your daily life
- Follow a healthy eating plan for diabetes
Which doctor should you see?
The suggested department for discussing Diabetic Heart Disease is Diabetology, with a endocrinologist / diabetologist as the relevant type of clinician. General physician / Family Medicine; paediatrician for children. Referral depends on symptoms.
This is an editorial referral starting point. The appropriate clinic depends on the person’s age, symptoms, previous diagnosis and local services. The first clinician can decide whether another specialty or a team is needed; a department label does not confirm the diagnosis.
How to prepare for an assessment
Bring a short timeline of the main symptoms: when they first appeared, whether they are constant or episodic, what seems to change them, and how they affect daily activities. Include previous reports, discharge summaries, current medicines and supplements, allergies, and any relevant family history. A dated record is more useful than trying to match every feature in an online article.
Ask the clinician what is already established and what remains uncertain. If a test is suggested, ask what question it answers, what its limitations are and how the result would change the next step. The information here is not an instruction to arrange every possible test. In children, bring growth, developmental and school information if it is relevant to the concern.
- What type of glucose problem has been confirmed?
- What are the individual monitoring and follow-up goals?
- If treatment can cause low glucose, what response plan should be taught?
Treatment discussions and follow-up
Where the source describes treatments, these are an overview of possible care, not a prescription for an individual. Ask which option applies to the confirmed diagnosis, what benefit is expected, what adverse effects to watch for and how progress will be assessed. Availability, approvals and local practice can differ from the country described in the source.
Before leaving the appointment, clarify the next review date, who will communicate results, and whom to contact if the situation changes. Discuss difficulties with sleep, work, school, mobility, eating or emotional wellbeing when these are relevant. Practical support may require coordination between the treating clinician and other services.
The collected references do not establish a complete prevention or long-term outlook section for this entry. Missing information should not be interpreted as proof that prevention is impossible or that a particular outcome is inevitable. Ask what is known for the exact subtype, stage and personal circumstances, and which uncertainties remain.
When to seek emergency help
Severe breathing difficulty, collapse, new stroke-like symptoms, a seizure that is prolonged or repeated without recovery, uncontrolled major bleeding, or an immediate risk of self-harm require emergency help. In India, call 112 or reach the nearest emergency department. This is a general, non-exhaustive warning list; it is not a condition-specific triage tool.
This condition is usually assessed by a diabetologist. Every profile shows the doctor’s registration and what has been checked.
Sources
- MedlinePlus, National Library of Medicine — Diabetic Heart Disease — Public-domain health-topic summary
- Government of India — Emergency Response Support System — Official reference for India emergency number
Source: MedlinePlus, National Library of Medicine. Orphadata Science: Free access data from Orphanet. © INSERM 1999; July 2026 data, CC BY 4.0. This product uses the Human Phenotype Ontology (hp/releases/2026-09-01). Only sources listed for this article apply. Source material has been selected and arranged; HPO definitions are reproduced without alteration. No source organisation endorses this compilation. Köhler S et al. The Human Phenotype Ontology project: linking molecular biology and disease through phenotype data. Nucleic Acids Research 2014;42(D1):D966–D974. doi:10.1093/nar/gkt1026.
General information, not advice about your situation. Errors can be reported through the corrections process. Reference TDI-C-0737.