How Does the Heart Monitor Work on Your Wrist
Learn how does the heart monitor work on your wrist, from PPG sensors to ECG leads, plus accuracy limits, arrhythmia detection, and POTS-friendly apps.
From the team
Blog
Product updates and notes on tracking POTS with Cardiogram.
Best Heart Rate Monitor App for iPhone in 2026
Find the best heart rate monitor app for iPhone in 2026. Compare detection rules, privacy, Apple Health integration, and clinician reporting features.
Heart Rate App for iPhone That Actually Helps with POTS
Looking for a heart rate app for iPhone? Learn what to evaluate, how Apple Health works, and how to track POTS episodes accurately.
Heart Rate Tracker App Guide for POTS and Tachycardia
Find the best heart rate tracker app for POTS, tachycardia, and unexplained palpitations. Compare detection criteria, privacy, and clinician-ready reports.
Dysautonomia Heart Rate Patterns and How to Track Them
Learn how dysautonomia heart rate patterns work, from POTS to IST, plus how to monitor trends and share data with your clinician.
Dysautonomia Postural Orthostatic Tachycardia Syndrome Guide
A clear guide to dysautonomia postural orthostatic tachycardia syndrome, covering symptoms, heart-rate patterns, monitoring, and next steps
Orthostatic Intolerance Diagnosis Explained Simply
Understand orthostatic intolerance diagnosis from criteria to tilt tests and wearable tracking. Learn what counts, what confuses, and how to prepare.
Understanding Dysautonomia Diagnosis Criteria in 2026
Explore current dysautonomia diagnosis criteria for POTS and related disorders. Includes thresholds, testing protocols, exclusion rules, and wearable data
What Is HRV Training and How Does It Actually Work
What Is HRV Training. Learn what HRV training is, how it works, what the evidence says, and practical protocols for breathing, biofeedback, and recovery
Patient Provider Communication: A Practical Guide That Works
Improve patient provider communication with step-by-step scripts, wearable-report tips, and follow-up practices that turn rushed visits into clear care plans.
Atrial vs Ventricular Rate: A Practical ECG Guide
Compare atrial vs ventricular rate, understand AV block, AF, POTS, and ECG findings, and learn what Apple Watch and Cardiogram can reveal.
10 Interesting Heart Facts Worth Knowing in 2026
Explore 10 interesting heart facts about anatomy, heart rate, HRV, POTS, symptoms, recovery, and wearable monitoring with practical context.
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