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I do not know what could have caused my blood pressure and heart rate to be this high, and I cannot clearly identify any specific cause.
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Cardiac & Vascular Health
Question #20696
185 days ago
405

I do not know what could have caused my blood pressure and heart rate to be this high, and I cannot clearly identify any specific cause.

Стас

I am 13 years old. One day my blood pressure was measured at 160/70, and my heart rate is almost always around 100 beats per minute even when I am resting. Today my blood pressure was 140/70. I do not clearly understand what these changes are connected with. My parents think it might be caused by my phone or screen time, but I personally do not feel stressed or affected by using my phone, and I do not notice any direct connection between phone use and my condition. These measurements worry me because I know that such blood pressure values seem high for my age. I would like to understand what could cause elevated blood pressure and a consistently high pulse in a teenager. I am also interested in whether this could be related to growth, hormones, anxiety, physical activity, lack of sleep, dehydration, or other health factors. I would appreciate professional advice on whether these readings are dangerous, what additional symptoms I should pay attention to, and whether I need further medical examination or monitoring.

Age: 13
Chronic illnesses: Ожиріння
$7.5
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Doctors' responses

Hello,

These BP values are high for your age and should not be ignored, even if you feel well

Possible reasons for high BP & pulse in teenagers Wrong cuff size Anxiety during measurement (“white coat effect”) Not resting 5–10 minutes before measuring Puberty and hormonal changes Growth spurts Poor sleep Dehydration Excess salt or caffeine/energy drinks Low physical fitness

Medical causes to rule out: Anxiety or autonomic overactivity (even if not consciously stressed) Anemia Thyroid problems Kidney-related causes of hypertension Rare heart or hormonal conditions

Phone/screen use: Not a direct cause of high BP Indirect effects possible via poor sleep, inactivity, or overstimulation

Normal BP for a 13-year-old is much lower than adult values Repeated readings ≥140 systolic are not normal and should be checked properly Resting HR ~100 bpm is borderline high and may signal dehydration, anxiety, or conditioning issues

What to do next Get BP rechecked properly: Correct cuff size After 5–10 minutes of rest On multiple days See a pediatrician or family doctor

Tests to do: Blood tests (anemia, thyroid, electrolytes) Urine test BP monitoring over time ECG if advised

Your concern is valid. These readings are not typical for your age, and while they are often due to benign and treatable causes, they do require proper medical evaluation and monitoring.

Thank you

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Hello, thank you for sharing your concern. You should not ignore these findings. Visit a Pediatrician or a Family Physician as soon as possible for your proper physical examination, investigations and appropriate management. Kindly do not waste time and visit.

Feel free to reach out again.

Regards, Dr. Nirav Jain MBBS, DNB D.Fam.Medicine

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For a 13-year-old, blood pressure readings of 140–160 / 70 mmHg and a resting heart rate around 100 bpm are higher than normal and should not be ignored, even if you feel well.

These findings are not usually caused directly by phone or screen use. More common possible causes in teenagers include:

Measurement errors (wrong cuff size, not resting before measurement)

Anxiety or “white-coat” effect, even if you don’t feel stressed

Rapid growth and hormonal changes

Lack of sleep

Dehydration

Low physical fitness or recent illness

Anemia

Thyroid or kidney-related conditions (less common but important to rule out)

A resting heart rate near 100 bpm can be normal occasionally, but persistent tachycardia together with high blood pressure needs medical evaluation.

A resting heart rate near 100 bpm can be normal occasionally, but persistent tachycardia together with high blood pressure needs medical evaluation.

What you should do:

Have your blood pressure measured correctly (after sitting quietly for 5 minutes, with the correct cuff size)

Record readings on different days, not just once

Ensure good hydration, regular sleep, and balanced nutrition

Avoid caffeine and energy drinks

Seek medical evaluation soon if:

High readings continue

You have headaches, dizziness, chest pain, shortness of breath, vision problems, or fainting

Your pulse stays high even when calm and resting

This situation is not an emergency right now, but it does require a doctor’s visit (pediatrician or family doctor) for proper assessment and possible tests. Early evaluation helps prevent future problems and provides reassurance.

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You’re right in noting that blood pressure of 160/70 is higher than usual for a teenager like yourself, and a consistent resting heart rate around 100 beats per minute is also on the higher side. There can be a number of reasons for these readings. At your age, it’s common for blood pressure to vary with physical growth, hormonal changes, or stress. However, these readings shouldn’t be ignored, and it’s worth investigating further to ensure there’s no underlying issue. Factors like anxiety, increased physical activity, or lack of sleep can elevate heart rate and blood pressure. Similarly, dehydration or excessive stimulant intake (like caffeine) might also play a role. It’s important to first consider any lifestyle elements that can be easily adjusted, like improving sleep patterns, staying well-hydrated, and reducing intake of substances that could affect your cardiovascular system. Anxiety and stress, whether or not you directly feel them, can have physiological effects and are worth addressing if you suspect they might contribute.

As for other symptoms, keep an eye on things like persistent headaches, vision changes, or chest pains, as these could indicate more serious issues requiring medical attention. It’s good practice to maintain a diary of your readings and any symptoms you experience; this information will be helpful when speaking with a healthcare provider. Given your age and the nature of these readings, it would be appropriate to explore these concerns with a doctor, who might recommend monitoring over time, or possibly some tests to rule out other causes like hormonal imbalances or kidney issues. Immediate medical attention isn’t necessarily required unless you experience severe symptoms like dizziness, shortness of breath, or fainting. Otherwise, schedule an appointment to have a comprehensive evaluation which might include checking your blood pressure over a period of time, and reviewing your overall health and daily habits. This approach will ensure that any underlying issue is identified and addressed effectively.

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