Calculate Heart Rate for Irregular Rhythm

Irregular Heart Rate Calculator

This calculator helps estimate your heart rate when you have an irregular rhythm. For an irregular heartbeat, it's best to count beats over a longer period, like a full minute, to get a more accurate average. If you have concerns about your heart rhythm, please consult a medical professional.

Understanding Irregular Heart Rate Calculation

When your heart beats irregularly, a standard calculation based on a shorter time interval (like 15 or 30 seconds) can be highly inaccurate. To get a more reliable estimate of your average heart rate, it's recommended to count the number of heartbeats over a full minute (60 seconds).

The formula used is straightforward:

Heart Rate (BPM) = (Total Heartbeats Counted / Time Period in Seconds) * 60

For example, if you count 75 heartbeats in a 60-second period, your estimated heart rate is (75 / 60) * 60 = 75 beats per minute (BPM).

It's important to note that this is an estimation for irregular rhythms. For precise medical assessment, always consult with a healthcare provider.

#heartRateCalculatorContainer { font-family: sans-serif; max-width: 800px; margin: 20px auto; padding: 20px; border: 1px solid #ddd; border-radius: 8px; background-color: #f9f9f9; } #calculatorSection, #explanationSection { margin-bottom: 30px; } .input-group { margin-bottom: 15px; } .input-group label { display: block; margin-bottom: 5px; font-weight: bold; } .input-group input { width: calc(100% – 22px); padding: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; } .input-group input[readonly] { background-color: #e9e9e9; cursor: not-allowed; } button { background-color: #4CAF50; color: white; padding: 12px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; transition: background-color 0.3s ease; } button:hover { background-color: #45a049; } .result-display { margin-top: 20px; padding: 15px; border: 1px solid #eee; border-radius: 4px; background-color: #fff; font-size: 18px; font-weight: bold; text-align: center; } #explanationSection h3 { margin-bottom: 15px; color: #333; } #explanationSection p { line-height: 1.6; color: #555; } function calculateIrregularHeartRate() { var beatsInput = document.getElementById("beatsCount"); var timeInput = document.getElementById("timePeriod"); var resultDiv = document.getElementById("result"); var beats = parseFloat(beatsInput.value); var time = parseFloat(timeInput.value); if (isNaN(beats) || isNaN(time) || time <= 0 || beats < 0) { resultDiv.innerHTML = "Please enter valid positive numbers for heartbeats and ensure the time period is greater than zero."; return; } var heartRate = (beats / time) * 60; resultDiv.innerHTML = "Estimated Heart Rate: " + heartRate.toFixed(0) + " BPM"; }

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