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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

Subarachnoid hemorrhage (SAH)

Also called: Subarachnoid hemorrhage • Bloody • Bleeding

Subarachnoid hemorrhage (SAH) (ICD-10-CM I60.9) 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 → I60.9
Heart & Vascular

Subdural hematoma

Subdural hematoma (ICD-10-CM I62.00) 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 → I62.00
Heart & Vascular

Sudden Cardiac Arrest

Also called: Cardiac arrest • SCA

Sudden cardiac arrest (SCA) is a condition in which the heart suddenly stops beating. When that happens, blood stops flowing to the brain and other vital organs. If it is not treated, SCA usually causes death within minutes. But quick treatment with cardiopulmonary resuscitation (CPR) and a defibrillator may be lifesaving. How is sudden cardiac arrest (SCA) different from a heart attack? A heart attack is different from an SCA. A heart attack happens when blood flow to the heart is blocked. During a heart attack, the heart usually doesn't suddenly stop beating. With an SCA, the heart stops beating.

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

Takotsubo syndrome

Takotsubo syndrome (ICD-10-CM I51.81) 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 → I51.81
Heart & Vascular

Teen Health

Also called: Adolescent health

As a teenager, you go through many changes. Your body is on its way to becoming its adult size. You may notice that you can't fit into your old shoes or that your jeans are now 3 inches too short. Along with these changes, you are probably becoming more independent and making more of your own choices. Some of the biggest choices you face are about your health. Healthy habits, including eating a healthy diet and being physically active, can help you feel good, look good, and do your best in school, work, or sports. They might also prevent diseases such as diabetes, high blood pressure, heart disease, osteoporosis, stroke, and some cancers when you are older.

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

Thalamic hemorrhage

Also called: Bloody • Bleeding

Thalamic hemorrhage (ICD-10-CM I61.8) 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 → I61.8
Heart & Vascular

Thalassemia

Also called: Cooley's anemia • Mediterranean anemia

Thalassemias are inherited blood disorders. If you have one, your body makes fewer healthy red blood cells and less hemoglobin. Hemoglobin is a protein that carries oxygen to the body. That leads to anemia. Thalassemias occur most often among people of Italian, Greek, Middle Eastern, Southern Asian, and African descent. Thalassemias can be mild or severe. Some people have no symptoms or mild anemia. The most common severe type in the United States is called Cooley's anemia. It usually appears during the first two years of life. People with it may have severe anemia, slowed growth and delayed puberty, and problems with the spleen, liver, heart, or bones.

First-Line Fix: Evidence-based first-line medical therapy paired with targeted nutrition, sleep, and lifestyle habits
Read Guide → D56.3
Heart & Vascular

Torsades de pointes

Torsades de pointes (ICD-10-CM I47.21) 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 → I47.21
Heart & Vascular

Tricuspid insufficiency

Tricuspid insufficiency (ICD-10-CM I07.1) 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 → I07.1
Heart & Vascular

Typical atrial flutter

Typical atrial flutter (ICD-10-CM I48.3) 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 → I48.3
Heart & Vascular

Unstable angina

Unstable angina (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

Valvulitis - rheumatic

Valvulitis - rheumatic (ICD-10-CM I09.1) 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 → I09.1
Heart & Vascular

Varicocele

Varicocele—coded clinically as I86.1 across Heart & Vascular guidelines—combines ambulatory rhythm monitoring [Varicocele I86.1] with structured follow-up of Apolipoprotein B (ApoB) [Varicocele I86.1] (< 70 mg/dL (I86.1)).

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I86.1
Heart & Vascular

Venous insufficiency

Also called: Vein • Venous

Venous insufficiency (ICD-10-CM I87.2) 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 → I87.2
Heart & Vascular

Ventricular aneurysm

Also called: Ventricle • Ventricular • Vent

Ventricular aneurysm (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

Ventricular bigeminy

Ventricular bigeminy (ICD-10-CM I49.82) 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 → I49.82
Heart & Vascular

Ventricular fibrillation

Also called: Ventricle • Ventricular • Vent

Ventricular fibrillation (ICD-10-CM I49.01) 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 → I49.01
Heart & Vascular

Ventricular flutter

Ventricular flutter (ICD-10-CM I49.02) 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 → I49.02
Heart & Vascular

Ventricular premature depolarization

Designated in federal medical registries as I49.3, Ventricular premature depolarization falls under Heart & Vascular management, where coronary perfusion imaging [Ventricular premature depolarization I49.3] 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 → I49.3
Heart & Vascular

Vital Signs

Your vital signs show how well your body is functioning. They are usually measured at doctor's offices, often as part of a health checkup, or during an emergency room visit. They include: Blood pressure, which measures the force of your blood pushing against the walls of your arteries. Blood pressure that is too high or too low can cause problems. Your blood pressure has two numbers. The first number is the pressure when your heart beats and is pumping the blood. The second is from when your heart is at rest, between beats. A normal blood pressure reading for adults is lower than 120/80 and higher than 90/60.

First-Line Fix: First-line cardiovascular risk reduction (sodium/potassium balance, Zone 2 exercise & guideline pharmacotherapy)
Read Guide → I51.3
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 →