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Subdomain • fox21.gustavotamayoarana.com

FOX21 — Foundations Of Cardiology eXplained

21 must‑know heart topics, explained clearly by Dr. Gustavo Tamayo Arana, MD in Colorado Springs. Patient‑friendly, evidence‑informed, and telehealth‑ready.

How to use FOX21

Think of FOX21 as a library of 21 core heart topics—from blood pressure basics to recovery after a cardiac event. Each topic is short, plain‑language, and built to support better visits with your clinician. Explore more deep dives on the Education Hub and prep steps on the Patient Guide. For clinical care, visit the main practice: gustavotamayoarana.com.

Doctor portrait

The 21 Essentials

  1. Blood Pressure (SBP/DBP)
  2. Heart Rate & Rhythm (Sinus vs Arrhythmias)
  3. Ejection Fraction
  4. Coronary Artery Disease
  5. Heart Failure (HFrEF/HFpEF)
  6. Cholesterol: LDL/HDL/Triglycerides
  7. Atherosclerosis & Plaque
  8. Diabetes & A1c
  9. Obesity, BMI & Waist Circumference
  10. Exercise Prescription & HR Zones
  11. Dietary Patterns (Mediterranean & DASH)
  12. Smoking & Vascular Risk
  13. Antiplatelets & Anticoagulants
  14. Statins & Lipid‑Lowering Therapies
  15. ECG/EKG Basics
  16. Echo & Stress Testing
  17. Sleep & Blood Pressure
  18. Stress, Mood & the Heart
  19. Cardiac Rehab & Secondary Prevention
  20. Red‑Flag Symptoms & When to Call
  21. Telehealth Follow‑up & Monitoring
Stethoscope with heart diagram

Educational resource only—always follow your clinician’s guidance.

Patient Guides

  • Visit prep checklist (meds, logs, labs, questions)
  • After‑visit actions & tracking (BP, symptoms, meds)
  • Cardiac rehab—how to get started
  • Understanding prescriptions & side effects
  • How to read essential numbers (EF, LDL, A1c, BP)
Telehealth at home

For printable checklists and deeper step‑by‑steps, visit the Patient Guide subdomain.

Telehealth Essentials

  • Quiet, well‑lit space; camera at eye level.
  • Have BP cuff, HR monitor or watch, scale if possible.
  • Medication list, allergies, and recent labs nearby.
  • Share symptom timeline and goals for the visit.
  • Ask for a written plan & follow‑up cadence.
Tablet consultation

Tools & Downloads

About FOX21

FOX21 stands for Foundations Of Cardiology eXplained — 21 Essentials. It’s a patient education subdomain curated by Dr. Gustavo Tamayo Arana, MD, a cardiologist in Colorado Springs, Colorado. Explore more learning on the Education Hub and visit the main practice site at gustavotamayoarana.com. Contact: Doctor@gustavotamayoarana.com · Phone (719) 555-2019