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← All Conditions (3,135) / Heart & Cardiovascular Disease

Heart & Cardiovascular Disease (164 Condition Guides)

Coronary artery disease, heart failure, arrhythmias, and structural heart conditions.

Interactive MyChart Lab & Cuff Translator • Lab Bell-Curve “Normal” vs. Physiological Optimal

Why Your Portal Says “Normal” When You Still Feel Awful: Enter Your Number

Quest and LabCorp “Normal” ranges are 95% population bell curves—not physiological optimums. Select a marker and type your result below:

3-Zone Clinical Cutoff Audit • Serum Ferritin (Iron Storage)

18 ng/mL = Marked "Normal" by Lab, Yet Clinically Depleted (< 30–50 ng/mL)

Default Sample: 18 ng/mL
Zone 1 • Clinical Cutoff
< 15 ng/mL • Overt Deficiency
< 15 ng/mL (Absolute Depletion)
Zone 2 • Portal “Normal” Gray Zone
15–49 ng/mL • "Normal" Yet Depleted
15–150 ng/mL (Quest/LabCorp Bell Curve)
Zone 3 • Physiological Optimal
50–100 ng/mL • Clinical Optimal
50–100 ng/mL (Physiological Optimal)
What This Number Means in Plain English

Commercial labs only flag Ferritin below 15 ng/mL, but clinical trials confirm fatigue, restless legs, diffuse telogen hair shedding, and impaired T4-to-T3 thyroid conversion begin whenever Ferritin drops below 30–50 ng/mL.

Action Plan: Take 25–28 mg elemental Iron Bisglycinate on alternate mornings (Mon/Wed/Fri) with Vitamin C to bypass the 24-hour hepcidin block, then re-test in 8–12 weeks.

⚠ Lab Assay & Cuff False-Alarm Check

Acute inflammation, viral illness, or fatty liver artificially elevates Ferritin (it is an acute-phase reactant). Always pair Ferritin with Fasting Transferrin Saturation (TSAT) and hs-CRP.

Read Low Ferritin & Iron Deficiency Clinical Guide → Find a Hematology / Iron Specialist →
Specialty Directory

Heart & Cardiovascular Disease Guides (164)

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Heart & Vascular

Esophageal varices

Also called: Esophagitis

Esophageal varices (ICD-10-CM I85.00) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I85.00
Heart & Vascular

Evaluating Health Information

Why do I need to evaluate health information? Health information is easy to find. But finding reliable health information takes a little effort. Some of the health information you get from newspapers, magazines, books, TV, the Internet, and social media is up to date and trustworthy. But some is not. That's why it's important to evaluate health information for yourself. But how can you tell the good from the bad? There are two key steps: Ask questions before you trust what you read or hear. Discuss the information you find with your health care provider before you rely on it. You may have found good information, but your provider can tell you whether it's good for you.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I21.5
Heart & Vascular

Exercise for Older Adults

Also called: Seniors' fitness

Exercise and physical activity are good for just about everyone, including older adults. There are four main types and each type is different. Doing them all will give you more benefits.: Endurance, or aerobic, activities increase your breathing and heart rate. Brisk walking or jogging, dancing, swimming, and biking are examples. Strength exercises make your muscles stronger. Lifting weights or using a resistance band can build strength. Balance exercises help prevent falls Flexibility exercises stretch your muscles and can help your body stay limber If you have not been active, you can start slowly and work up to your goal.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I48.8
Heart & Vascular

Fainting

Also called: Syncope

Fainting is a temporary loss of consciousness. If you're about to faint, you'll feel dizzy, lightheaded, or nauseous. Your field of vision may "white out" or "black out." Your skin may be cold and clammy. You lose muscle control at the same time, and may fall down. Fainting usually happens when your blood pressure drops suddenly, causing a decrease in blood flow to your brain. It is more common in older people. Some causes of fainting include: Heat or dehydration Emotional distress Standing up too quickly Certain medicines Drop in blood sugar Heart problems When someone faints, make sure that the airway is clear and check for breathing.

First-Line Fix: Evidence-based first-line medical therapy paired with targeted nutrition, sleep, and lifestyle habits
Read Guide → R55
Heart & Vascular

Familial-genetic dilated cardiomyopathy

Familial-genetic dilated cardiomyopathy (ICD-10-CM I42.01) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I42.01
Heart & Vascular

Family History

Your family history includes health information about you and your close relatives. Families have many factors in common, including their genes, environment, and lifestyle. Looking at these factors can help you figure out whether you have a higher risk for certain health problems, such as heart disease, stroke, and cancer. Having a family member with a disease raises your risk, but it does not mean that you will definitely get it. Knowing that you are at risk gives you a chance to reduce that risk by following a healthier lifestyle and getting tested as needed. You can get started by talking to your relatives about their health.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I20.0
Heart & Vascular

Gangrene

Gangrene is the death of tissues in your body. It happens when a part of your body loses its blood supply. Gangrene can happen on the surface of the body, such as on the skin, or inside the body, in muscles or organs. Causes include: Serious injuries Problems with blood circulation, such as atherosclerosis and peripheral arterial disease Diabetes Skin symptoms may include a blue or black color, pain, numbness, and sores that produce a foul-smelling discharge. If the gangrene is internal, you may run a fever and feel unwell, and the area may be swollen and painful. Gangrene is a serious condition. It needs immediate attention.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I96
Heart & Vascular

Granulomatosis with Polyangiitis

Also called: GPA • Wegener's Granulomatosis

Granulomatosis with polyangiitis (GPA), previously known as Wegener's granulomatosis, is a rare disease. It is a type of vasculitis, or inflammation of the blood vessels. The inflammation limits the flow of blood to important organs, causing damage. It can affect any organ, but it mainly affects the sinuses, nose, trachea (windpipe), lungs, and kidneys. The cause of GPA is unknown. It can affect people at any age. Men and women are equally affected. It is more common in whites. Symptoms may include joint pain, weakness, tiredness, and cold symptoms such as a runny nose that doesn't get better.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I20.6
Heart & Vascular

Heart Attack

Also called: Myocardial infarction • Non-Q-wave infarct • Stroke

A heart attack, also called a myocardial infarction, is a type of heart disease. It happens when blood flow to the heart suddenly becomes blocked. Without the blood coming in, the heart can't get oxygen. If not treated quickly, the heart muscle begins to die. But if you get quick treatment, you may be able to prevent or limit damage to the heart muscle. That's why it's important to know the symptoms of a heart attack and call 911 if you or someone else is having them. A heart attack is different than sudden cardiac arrest. During a heart attack, the heart usually doesn't suddenly stop beating.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I21.4
Heart & Vascular

Heart Disease in Women

Heart disease is a general term that includes many types of heart problems. It's also called cardiovascular disease, which means heart and blood vessel disease. Coronary artery disease (also called coronary heart disease) is the most common type of heart disease in both men and women. It happens slowly over time when a sticky substance called plaque builds up in the arteries that supply your heart muscle with blood.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I42.1
Heart & Vascular

Heart Diseases

Also called: Cardiac diseases • Cardiomegaly • Large heart

Heart disease is a general term that includes many types of heart problems. It's a type of cardiovascular disease, which means heart and blood vessel disease. Heart disease is the leading cause of death in the United States, but there are ways to prevent and manage many types of heart disease. What are the types of heart disease? There are many different types of heart disease. Some you may be born with, called congenital heart disease. Other types develop during your lifetime. Coronary artery disease (also called coronary heart disease) is the most common type of heart disease.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I51.7
Heart & Vascular

Heart Failure

Also called: CHF • Cardiac failure • Congestive heart failure

Heart failure means that your heart can't pump enough oxygen-rich blood to meet your body's needs. Heart failure doesn't mean that your heart has stopped or is about to stop beating. But without enough blood flow, your organs may not work well, which can cause serious problems. Heart failure can affect one or both sides of your heart: With right-sided heart failure, your heart is too weak to pump enough blood to your lungs to get oxygen. With left-sided heart failure, your heart can't pump enough oxygen-rich blood out to your body. This happens when the left side of your heart becomes either: Too weak to pump enough blood.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I50.9
Heart & Vascular

Heart Health Tests

Also called: Cardiac Diagnostic Tests

Heart diseases are the number one killer in the United States. They are also a major cause of disability. If you do have heart disease, it is important to find it early, when it is easier to treat. Blood tests and heart health tests can help find heart diseases or identify problems that can lead to heart diseases. There are several different types of heart health tests. Your health care provider will decide which test or tests you need, based on your symptoms (if any), risk factors, and medical history. Cardiac Catheterization Cardiac catheterization is a medical procedure used to diagnose and treat some heart conditions.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I50.4
Heart & Vascular

Heart Surgery

Also called: Cardiac surgery

Heart surgery can correct certain heart problems when other treatments haven't worked or can't be used. In some cases, heart surgery may be a medical emergency. For example, surgery for a severe heart attack may need to be done right away. In other cases, you can plan heart surgery ahead of time. Some heart surgeries are major operations, such as heart bypass surgery for blocked arteries in the heart. Other surgeries are more minor heart procedures, such as putting in a pacemaker.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I51.5
Heart & Vascular

Heart Transplantation

A heart transplant removes a damaged or diseased heart and replaces it with a healthy one. The healthy heart comes from a donor who has died. It is the last resort for people with heart failure when all other treatments have failed. The heart failure might have been caused by coronary heart disease, damaged heart valves or heart muscles, congenital heart defects, or viral infections of the heart. Although heart transplant surgery is a life-saving measure, it has many risks. Careful monitoring, treatment, and regular medical care can prevent or help manage some of these risks. After the surgery, most heart transplant patients can return to their normal levels of activity.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I20.6
Heart & Vascular

Heart Valve Diseases

Also called: Valvular heart disease • Aorta • Aortic

What are heart valve diseases? Heart valve disease happens when one or more of your heart valves don't work well. Your heart has four valves: the tricuspid, pulmonary, mitral, and aortic valves. The valves have flaps that open and close. The flaps make sure that blood flows in the right direction through your heart and to the rest of your body. When your heart beats, the flaps open to let blood through. Between heartbeats they close to stop the blood from flowing backwards. If one or more of your heart valves doesn't open or close correctly, it can affect your blood flow and strain your heart. Fortunately, treatment helps most valve diseases.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I35.9
Heart & Vascular

Heart disease

Heart disease (ICD-10-CM I51.9) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I51.9
Heart & Vascular

Heart disease - rheumatic

Also called: Cardio • Myocardium

Heart disease - rheumatic—coded clinically as I09.9 across Heart & Vascular guidelines—combines ambulatory rhythm monitoring [Heart disease - rheumatic I09.9] with structured follow-up of NT-proBNP [Heart disease - rheumatic I09.9] (< 100 pg/mL (I09.9)).

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I09.9
Heart & Vascular

Heart murmur

Also called: Cardio • Myocardium

Heart murmur (ICD-10-CM R01.1) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: Evidence-based first-line medical therapy paired with targeted nutrition, sleep, and lifestyle habits
Read Guide → R01.1
Heart & Vascular

Heart rate - rapid (tachycardia)

Also called: Tachycardia

Heart rate - rapid (tachycardia) (ICD-10-CM R00.0) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: Evidence-based first-line medical therapy paired with targeted nutrition, sleep, and lifestyle habits
Read Guide → R00.0
Heart & Vascular

Hemangioma - capillary

Also called: Capillary

Hemangioma - capillary (ICD-10-CM I78.1) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I78.1
Heart & Vascular

Hemochromatosis

Also called: Iron overload disease

Hemochromatosis is a disease in which too much iron builds up in your body. Your body needs iron but too much of it is toxic. If you have hemochromatosis, you absorb more iron than you need. Your body has no natural way to get rid of the extra iron. It stores it in body tissues, especially the liver, heart, and pancreas. The extra iron can damage your organs. Without treatment, it can cause your organs to fail. There are two types of hemochromatosis. Primary hemochromatosis is an inherited disease. Secondary hemochromatosis is usually the result of something else, such as anemia, thalassemia, liver disease, or blood transfusions.

First-Line Fix: Targeted endocrine optimization, protein-first glycemic nutrition, and evidence-based hormone/metabolic therapy
Read Guide → E83.119
Heart & Vascular

Herpangina

Herpangina (ICD-10-CM B08.5) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: Evidence-based first-line medical therapy paired with targeted nutrition, sleep, and lifestyle habits
Read Guide → B08.5
Heart & Vascular

High output heart failure

High output heart failure (ICD-10-CM I50.83) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I50.83
Heart & Vascular

Hilar node - calcified

Also called: Hila • Hilar • Hilum

Hilar node - calcified (ICD-10-CM I89.8) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I89.8
Heart & Vascular

How to Prevent Heart Disease

Heart disease is the leading cause of the death in the United States. It is also a major cause of disability. But you can take steps to improve your health and help prevent heart disease. The first step is understanding your risk of heart disease. Your risk depends on many factors, some of which are changeable and others that are not. Learning about them and working on the things that you can change can lower your risk of heart disease. What are the heart disease risk factors that I cannot change? There are some risk factors for heart disease that you cannot change: Your age. Your risk of heart disease increases as you get older.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I20.4
Heart & Vascular

Hypertrophic obstructive cardiomyopathy (HOCM)

Also called: Hyperplasia • Hyperplastic • Hypertrophic

Hypertrophic obstructive cardiomyopathy (HOCM) (ICD-10-CM I42.1) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I42.1
Heart & Vascular

Hypoplastic left heart syndrome (HLHS)

Also called: Left • Sinistral • Sinistro

Hypoplastic left heart syndrome (HLHS) (ICD-10-CM Q23.4) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: Evidence-based first-line medical therapy paired with targeted nutrition, sleep, and lifestyle habits
Read Guide → Q23.4
Heart & Vascular

Intraventricular hemorrhage

Also called: Bloody • Bleeding

Designated in federal medical registries as I61.5, Intraventricular hemorrhage falls under Heart & Vascular management, where transthoracic echocardiography [Intraventricular hemorrhage I61.5] establishes baseline severity and rules out diagnostic mimics.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I61.5
Heart & Vascular

Ischemic cardiomyopathy

Ischemic cardiomyopathy (ICD-10-CM I25.5) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I25.5
Heart & Vascular

Junctional premature depolarization

Designated in federal medical registries as I49.2, Junctional premature depolarization falls under Heart & Vascular management, where ambulatory rhythm monitoring [Junctional premature depolarization I49.2] establishes baseline severity and rules out diagnostic mimics.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I49.2
Heart & Vascular

Kawasaki Disease

Also called: Mucocutaneous lymph node syndrome

Kawasaki disease is a rare illness that usually affects small children. Other names for the disease are Kawasaki syndrome and mucocutaneous lymph node syndrome. It is a type of vasculitis, which is inflammation of the blood vessels. Kawasaki disease is serious, but most children can fully recover if they are treated right away. What causes Kawasaki disease? Kawasaki disease happens when the immune system injures the blood vessels by mistake. Researchers do not fully know why this happens. But when it does, the blood vessels become inflamed and can narrow or close off. Genetics may play a role in Kawasaki disease.

First-Line Fix: Progressive load management & physical therapy + targeted anti-inflammatory or disease-modifying therapy
Read Guide → M30.3
Heart & Vascular

Left ventricular failure

Left ventricular failure (ICD-10-CM I50.1) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I50.1
Heart & Vascular

Longstanding persistent atrial fibrillation

Longstanding persistent atrial fibrillation (ICD-10-CM I48.11) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I48.11
Heart & Vascular

Lymph node inflammation (lymphadenitis)

Also called: Lymphadenitis

Lymph node inflammation (lymphadenitis) (ICD-10-CM I88.9) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I88.9
Heart & Vascular

Lymphadenitis - chronic

Lymphadenitis - chronic (ICD-10-CM I88.1) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I88.1
Connected Clinical Ecosystem • Medications, Supplements & Specialists

Go From Diagnosis to Treatment: Connected Flagship Guides

Prescription Medications (/meds)

FDA DailyMed & NADAC Cash Price Guides

Decode tablet imprints, IR vs. ER stomach side effects, Rule-of-6 dose response curves, and $3–$9 generic cash prices.

→ Atorvastatin (Lipitor) 10–80 mg Guide → Metformin (Glucophage) IR vs. ER Guide Browse All Prescription Medications →
Dietary Supplements (/supplements)

NIH ODS & Elemental Label Math Guides

Separate human RCT outcomes from social media hype—with elemental vs. compound weight decoders and serum 25(OH)D targets.

→ Vitamin D3 (Cholecalciferol) & K2 Guide → Magnesium Glycinate vs. Citrate/Oxide Guide Browse All Supplements & Lab Decoders →
Verified Specialists (/doctors)

GreatDoc™ Score & Zero-Wall Insurance Check

Compare U.S. specialists by real CMS Medicare Part B procedure volume, verified Google patient reviews, and accepted PPO/Medicare plans.

→ Dr. Reza Nazemi, MD (Beverly Hills Endocrinology) → NEJM 3-Year Tirzepatide Study Breakdown Search Verified Doctors by Specialty & City →