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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

Angina Pectoris (Exertional Chest Pressure & Coronary Ischemia)

Also called: Stable Angina • Coronary Microvascular Angina • Exertional Chest Pressure

Exertional chest pressure, squeezing, or shortness of breath caused by reduced blood flow through coronary arteries—relieved within 5-10 minutes by rest or sublingual nitroglycerin. Evaluated via stress echocardiography or coronary CT angiography (CCTA) and treated with daily aspirin, high-intensity statin, beta-blocker or calcium channel blocker therapy.

First-Line Fix: Coronary CT Angiography (CCTA) / Stress Echo + High-intensity Statin, low-dose Aspirin, and Beta-blocker or Amlodipine
Read Guide → I20.9
Heart & Vascular

Acute combined systolic (congestive) and diastolic (congestive) heart failure

Acute combined systolic (congestive) and diastolic (congestive) heart failure (ICD-10-CM I50.41) 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 → I50.41
Heart & Vascular

Acute diastolic (congestive) heart failure

Acute diastolic (congestive) heart failure (ICD-10-CM I50.31) 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 → I50.31
Heart & Vascular

Acute myocardial infarction

Acute myocardial infarction—coded clinically as I21.9 across Heart & Vascular guidelines—combines coronary perfusion imaging [Acute myocardial infarction I21.9] with structured follow-up of Apolipoprotein B (ApoB) [Acute myocardial infarction I21.9] (< 70 mg/dL (I21.9)).

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I21.9
Heart & Vascular

Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure

Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure (ICD-10-CM I50.43) 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 → I50.43
Heart & Vascular

Acute on chronic diastolic (congestive) heart failure

Acute on chronic diastolic (congestive) heart failure (ICD-10-CM I50.33) 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 → I50.33
Heart & Vascular

Acute on chronic systolic (congestive) heart failure

Acute on chronic systolic (congestive) heart failure (ICD-10-CM I50.23) 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 → I50.23
Heart & Vascular

Acute systolic (congestive) heart failure

Acute systolic (congestive) heart failure (ICD-10-CM I50.21) 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 → I50.21
Heart & Vascular

Advance Directives

What kind of medical care would you want if you were too ill or hurt to express your wishes? Advance directives are legal documents that allow you to spell out your decisions about end-of-life care ahead of time. They give you a way to tell your wishes to family, friends, and health care professionals and to avoid confusion later on. A living will tells which treatments you want if you are dying or permanently unconscious. You can accept or refuse medical care.

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

Alcoholic cardiomyopathy

Alcoholic cardiomyopathy (ICD-10-CM I42.6) 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 → I42.6
Heart & Vascular

Amyloidosis

Also called: Amyloid

Amyloidosis occurs when abnormal proteins called amyloids build up and form deposits. The deposits can collect in organs such as the kidney and heart. This can cause the organs to become stiff and unable to work the way they should. There are three main types of amyloidosis: Primary - with no known cause Secondary - caused by another disease, including some types of cancer Familial - passed down through genes Symptoms can vary, depending upon which organs are affected. Treatment depends on the type of amyloidosis you have. The goal is to help with symptoms and limit the production of proteins. If another disease is the cause, it needs to be treated.

First-Line Fix: Targeted endocrine optimization, protein-first glycemic nutrition, and evidence-based hormone/metabolic therapy
Read Guide → E85.9
Heart & Vascular

Anesthesia

Anesthesia is the use of medicines, called anesthetics, to prevent pain during surgery and other medical procedures. Medicine may be given by injection, inhalation, topical lotion, spray, eye drops, or a skin patch. Anesthesia can cause a loss of feeling, awareness, or both. Sedation may be used with anesthesia. Unlike full anesthesia, sedation doesn't make you completely unconscious, and recovery is faster. It helps reduce pain, keep you calm, and make you less aware during procedures such as minor surgeries, endoscopies, imaging, or dental work. Levels of sedation include: Minimal sedation. You are awake but more relaxed.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I48.6
Heart & Vascular

Aneurysm of heart

Aneurysm of heart (ICD-10-CM I25.3) 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 → I25.3
Heart & Vascular

Angina - Ludwig's

Designated in federal medical registries as K12.2, Angina - Ludwig's falls under Heart & Vascular management, where 12-lead resting electrocardiography [Angina - Ludwig's K12.2] establishes baseline severity and rules out diagnostic mimics.

First-Line Fix: Targeted mucosal healing (meal timing, trigger elimination, acid suppression, or microbiome/anti-inflammatory care)
Read Guide → K12.2
Heart & Vascular

Angina - unstable

Angina - unstable (ICD-10-CM I20.0) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

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

Angina pectoris

Angina pectoris (ICD-10-CM I20.9) 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 → I20.9
Heart & Vascular

Angina pectoris with coronary microvascular dysfunction

Angina pectoris with coronary microvascular dysfunction (ICD-10-CM I20.81) 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 → I20.81
Heart & Vascular

Angina pectoris with documented spasm

Angina pectoris with documented spasm (ICD-10-CM I20.1) 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 → I20.1
Heart & Vascular

Angioplasty

Also called: Balloon angioplasty • Coronary angioplasty • Percutaneous coronary intervention (PCI)

Angioplasty is a procedure to improve blood flow in coronary arteries that have become narrow or blocked. Your coronary arteries supply oxygen-rich blood to your heart. If you have coronary artery disease, a sticky material called plaque builds up in your coronary arteries. Plaque is made of cholesterol, calcium, and other substances in your blood. Over time, it can narrow your arteries or fully block them. When this happens, some parts of your heart don't get enough blood. Angioplasty widens the blocked part of your artery so more blood can get through. It is also called percutaneous coronary intervention (PCI).

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

Aortic insufficiency

Also called: Aorta • Aortic

Aortic insufficiency (ICD-10-CM I35.1) 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 → I35.1
Heart & Vascular

Aortic root dilated

Also called: Aorta • Aortic • Dilation

Aortic root dilated (ICD-10-CM I77.810) 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 → I77.810
Heart & Vascular

Aortic valve - bicuspid

Also called: Aorta • Aortic

Aortic valve - bicuspid (ICD-10-CM Q23.1) 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 → Q23.1
Heart & Vascular

Arrhythmia

Also called: Irregular heartbeat • Bradycardia

An arrhythmia is a problem with the rate or rhythm of your heartbeat. Your heart beats too quickly, too slowly, or with an irregular pattern. Changes in the electrical signals that control your heartbeat cause arrhythmias. When your heart beats faster than normal, it's called tachycardia. When your heart beats too slowly, it's called bradycardia. When the signal to beat comes too early, it's called a premature or extra heartbeat. It may feel like your heart skipped a beat. There are many types of arrhythmias. Arrhythmias may affect the upper or lower chamber of your heart.

First-Line Fix: Evidence-based first-line medical therapy paired with targeted nutrition, sleep, and lifestyle habits
Read Guide → R00.1
Heart & Vascular

Arrhythmogenic cardiomyopathy

Arrhythmogenic cardiomyopathy (ICD-10-CM I42.81) 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 → I42.81
Heart & Vascular

Arteriovenous (AV) fistula

Also called: Arteriovenous fistula • Arterio-venous • Arteriovenous

Arteriovenous (AV) fistula (ICD-10-CM I77.0) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I77.0
Heart & Vascular

Atherosclerotic heart disease of native coronary artery without angina pectoris

Atherosclerotic heart disease of native coronary artery without angina pectoris (ICD-10-CM I25.10) 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 → I25.10
Heart & Vascular

Atrial Fibrillation

Also called: AFib • Atrium • Atrial

Atrial fibrillation, also known as AFib or AF, is one of the most common types of arrhythmias. Arrhythmias are problems with the rate or rhythm of your heartbeat. They can cause your heart to beat too slowly, too fast, or in an irregular way. If you have AFib, your heart beats irregularly and sometimes much faster than normal. Also, your heart's upper and lower chambers do not work together as they should. When this happens, the lower chambers do not fill completely or pump enough blood to your lungs and body. This can cause symptoms such as dizziness, fatigue, and a pounding heartbeat.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I48.91
Heart & Vascular

Atrial flutter

Also called: Atrium • Atrial

Designated in federal medical registries as I48.92, Atrial flutter falls under Heart & Vascular management, where transthoracic echocardiography [Atrial flutter I48.92] 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 → I48.92
Heart & Vascular

Atrial premature depolarization

Atrial premature depolarization (ICD-10-CM I49.1) 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 → I49.1
Heart & Vascular

Atrial tachycardia - paroxysmal with av block

Also called: Atrium • Atrial • Arterio-venous

Atrial tachycardia - paroxysmal with av block (ICD-10-CM I47.19) 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 → I47.19
Heart & Vascular

Atypical atrial flutter

Atypical atrial flutter (ICD-10-CM I48.4) is evaluated within Heart & Cardiovascular Disease using targeted symptom history, diagnostic lab or imaging thresholds, and evidence-graded first-line therapy.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I48.4
Heart & Vascular

Autonomic Nervous System Disorders

Also called: Dysautonomia

Your autonomic nervous system is the part of your nervous system that controls involuntary actions, such as the beating of your heart and the widening or narrowing of your blood vessels. When something goes wrong in this system, it can cause serious problems, including: Blood pressure problems Heart problems Trouble with breathing and swallowing Erectile dysfunction in men Autonomic nervous system disorders can occur alone or as the result of another disease, such as Parkinson's disease, alcoholism and diabetes. Problems can affect either part of the system, as in complex regional pain syndromes, or all of the system.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I25.4
Heart & Vascular

Bioprosthetic heart valve

Also called: Cardio • Myocardium

Bioprosthetic heart valve (ICD-10-CM T82.9XXA) 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 → T82.9XXA
Heart & Vascular

Biventricular heart failure

Biventricular heart failure (ICD-10-CM I50.82) 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 → I50.82
Heart & Vascular

Blood Thinners

Also called: Anti-platelet drugs • Anticoagulants

What are blood thinners? Blood thinners are medicines that prevent blood clots from forming. They do not break up clots that you already have. But they can stop those clots from getting bigger. It's important to treat blood clots, because clots in your blood vessels and heart can cause heart attacks, strokes, and blockages.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I50.0
Heart & Vascular

Brugada syndrome

Brugada syndrome—coded clinically as I49.81 across Heart & Vascular guidelines—combines 12-lead resting electrocardiography [Brugada syndrome I49.81] with structured follow-up of NT-proBNP [Brugada syndrome I49.81] (< 100 pg/mL (I49.81)).

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I49.81
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 →