Heart rate 49 on an adult - what does it mean?
A resting heart rate of 49 bpm is below the standard adult range of 60–100 bpm (bradycardia). In well-trained athletes and during sleep this is common and harmless; in other people it is worth discussing with a doctor.
Where 49 bpm sits on the adult scale
- Very low
- Low (bradycardia)
- Slightly low
- Normal
- Elevated (tachycardia)
- High
- Very high
What a resting pulse of 49 means
Endurance training makes the heart muscle stronger, so it moves more blood per beat and needs fewer beats at rest. Runners, cyclists and swimmers commonly rest between 40 and 60 bpm. During sleep, almost everyone's heart rate drops 10–20 bpm below the daytime resting value.
If you are not particularly fit, possible causes include medications (beta blockers and other heart-rate-lowering drugs), an underactive thyroid (hypothyroidism), sleep apnea and conduction problems of the heart. These are easy to check with an ECG and a blood test, or a sleep study for sleep apnea.
Ranges apply to adults and children aged 10 and older, measured at rest (American Heart Association). By the numbers: at 49 bpm the heart beats about every 1.22 seconds — roughly 70,560 beats a day.
49: the top of the low band, one beat from the 50s
On this site’s adult scale, readings from 40 to 49 are grouped as low, and 50 to 59 as slightly low. A resting pulse of 49 is the highest value in the low group. One more beat would move it into the band many cardiologists regard as normal for healthy adults.
The heart does not change between 49 and 50. The labels are there to help sort readings, and the advice for 49 is more cautious only because a band has to start somewhere. Clinically, 49 and 51 are close cousins. What separates a harmless 49 from one that needs attention is the person behind the number.
Three people who all read 49
The trained cyclist. She rides five or six days a week and has seen her morning pulse sit in the high 40s for two years. She has plenty of energy and her rate climbs quickly on hills. For her, 49 is an expected result of training.
The new reader. He rarely exercises, recently bought a smartwatch and discovered a resting rate of 49. He feels fine. Nobody can tell from the number alone whether this has always been his baseline. A routine check with an ECG is a reasonable next step, not an emergency.
The change. Her usual morning pulse was 68. Over a few months it drifted to 49, and she now gets dizzy getting out of bed and tires on short walks. This is the pattern that needs a prompt medical review, because a falling rate plus symptoms can come from a medicine, the thyroid or the heart’s conduction system.
Making a borderline reading more useful
Before treating 49 as your number, confirm it. Check your pulse by hand at the wrist or neck for a full 60 seconds, ideally just after waking, and repeat on several mornings. Optical wrist sensors are fairly accurate at rest, but a loose strap or cold fingers can produce dropouts that pull the figure down.
If the confirmed average stays at 49 and you are not well trained, the low-band advice applies: arrange a check-up and mention any tiredness, light-headedness or reduced stamina. If the average turns out to be 51 or 52, the situation is essentially the same, which is the point. The bands are a guide, and your symptoms and history decide what happens next. To see how fitness shapes these values, read about heart rate zones.
49 bpm during exercise
49 bpm is below half of the estimated maximum heart rate at every adult age, so it is a resting-range value, not an exercise intensity. During light activity most adults are already above 90 bpm.
For a reliable resting value, sit quietly for five minutes first and average a few mornings: Resting Heart Rate: What It Says About Your Health. You can also measure by tapping along on the start page.
Check another reading
Nearby values
Measured on a child instead? See heart rate 49 in a child.
Sources: American Heart Association: All About Heart Rate · MedlinePlus: Pulse · ACSM position stand on exercise intensity (2011)
This page explains a single reading in general terms. It is not a diagnosis. Heart rate alone cannot tell whether the rhythm is regular or whether the heart is healthy — if you are worried, talk to a doctor.