Patient guides
Plain language guides for my patients and their families. Each one covers what to do first and the reason underneath.
Heart rhythm
Atrial fibrillation
The most common heart rhythm problem. How to reduce AFib, how it is treated, and what to expect from an ablation.
Guides
Lowering your AFib risk
The habits and conditions that drive AFib, and which to fix first.
How AFib is treated
Stroke protection, medicines, cardioversion, ablation, and surgery.
Getting ready for your ablation
A checklist for the weeks before, the day itself, and what is normal while you heal.
Set up your Apple Watch to check for AFib
Turn on the right heart features, and the settings that quietly turn them off.
Set up your Fitbit or Pixel Watch to check for AFib
Turn on irregular rhythm alerts, the ECG app, and heart rate alerts in the Google Health app.
Send your Kardia EKG to your doctor
Download the PDF, share it, or make a 31 day report.
My watch says I have AFib
What an alert means, how to record a useful ECG, and what happens next.
Irregular rhythm notifications, explained
How the background AFib check works, and how it differs from the ECG app and AFib History.
Buyer's guides
Best smartwatch for catching AFib
Which watches have FDA cleared ECG and AFib alerts, and which fits your phone.
Buyer's guide · Reviewed October 2026Best personal ECG without a smartwatch
Pocket ECG devices for recording your rhythm when you feel symptoms.
Buyer's guide · Reviewed October 2026Best wearable without a screen
Seven screenless bands, and the only two with an FDA cleared heart feature.
Buyer's guide · Reviewed October 2026POTS
A racing heart when you stand up. POTS treatment starts at home, and a steady daily plan helps most people feel better.
Everyday heart health
Blood pressure
How to check it at home, and how to lower blood pressure without medication or alongside it.
Guides
My watch says I may have high blood pressure
What Apple Watch hypertension alerts mean, what they miss, and how to check with a cuff.
Lowering your blood pressure
Salt, potassium, exercise, and a home reading log.
Buyer's guides
Nutrition
What to eat more of, what to swap, and what to limit for a healthy heart.
Sleep
Why sleep matters for your heart, how sleep apnea and AFib are linked, and a plan to sleep better.
Guides
My watch says I may have sleep apnea
How watch sleep apnea alerts work, what they miss, and how sleep apnea is diagnosed.
Sleeping well
A 12 week plan that builds one habit each week.
Buyer's guides
Watches and devices
Wearables
What your watch or ring can tell you about your heart, the best smartwatch for heart arrhythmia, and what to do with what it finds.
Guides
Set up your Apple Watch to check for AFib
Turn on the right heart features, and the settings that quietly turn them off.
Set up your Fitbit or Pixel Watch to check for AFib
Turn on irregular rhythm alerts, the ECG app, and heart rate alerts in the Google Health app.
Send your Kardia EKG to your doctor
Download the PDF, share it, or make a 31 day report.
My watch says I have AFib
What an alert means, how to record a useful ECG, and what happens next.
My watch ECG says inconclusive
Why watch ECG apps say inconclusive or unclassified, and how to record a cleaner strip.
Irregular rhythm notifications, explained
How the background AFib check works, and how it differs from the ECG app and AFib History.
My watch says my heart rate is high or low
What sets off heart rate alerts, when the number is wrong, and what to bring to your visit.
My watch says I may have sleep apnea
How watch sleep apnea alerts work, what they miss, and how sleep apnea is diagnosed.
My watch says I may have high blood pressure
What Apple Watch hypertension alerts mean, what they miss, and how to check with a cuff.
FDA cleared or wellness: what the label means
What cleared, approved, registered, and wellness mean on a wearable, and how to check a claim.
Which wearable features are FDA cleared
Every cleared heart, blood pressure, sleep apnea, and oxygen feature, with links to the FDA records.
Buyer's guides
How I choose the wearables I recommend
The seven questions I ask of every watch, ring, and cuff before I recommend it.
Buyer's guide · Reviewed October 2026Find the right wearable
Answer a few questions, each picking the next, and see the device I would start with.
Buyer's guide · Reviewed October 2026Best smartwatch for catching AFib
Which watches have FDA cleared ECG and AFib alerts, and which fits your phone.
Buyer's guide · Reviewed October 2026Best smart ring for sleep tracking
Which rings have FDA cleared sleep features, which are wellness only, and which skip the subscription.
Buyer's guide · Reviewed October 2026Best home blood pressure monitor
Validated upper arm cuffs, and what watch and ring blood pressure features really do.
Buyer's guide · Reviewed October 2026Best personal ECG without a smartwatch
Pocket ECG devices for recording your rhythm when you feel symptoms.
Buyer's guide · Reviewed October 2026Best wearable for an older parent
Fall detection, emergency calling, and simplicity for an older parent.
Buyer's guide · Reviewed October 2026What wearable to get your parent for the holidays
Match the gift to your parent's health, check their phone, and set it up together.
Buyer's guide · Reviewed October 2026Best wearable for athletes
Accurate heart rate, AFib checks for endurance athletes, and what to use for palpitations.
Buyer's guide · Reviewed October 2026Best wearable without a screen
Seven screenless bands, and the only two with an FDA cleared heart feature.
Buyer's guide · Reviewed October 2026Pacemakers and ICDs
Everyday life with an implanted heart device.