Took apple watch ecg before and after exercise. Heartrate went upto 190 bpm within only 10 minutes of mild exercise. The watch couldn’t record ecg at a heartrate that high and only started recording after it came down to around 150.
I had shortness of breath, slightly heavy left shoulder, lightheadedness, fatigue. I rested after exercising and everything slowly went back to normal.
It was taken by an Apple Watch but it still looks concerning.
Going through a lot of stress & have chest pain. Tried taking 5 readings and they are all like this when normally don’t look abnormal. My resting heart rate is never below 80 never seen it in the 60s before
J’ai ce genre de tracés après un effort modéré. Qu’est ce que ça peut être ?
Caught with Kardia during workout. Heart was racing, and I felt weak and dizzy. Following up with cardio in a couple weeks, but I'd appreciate any advice before then.
I was wondering if anyone has experienced similar palpitations to the above. I have an unusual EKG due to congenital heart defects but it typically looks like the first line of the above EKG. In November 2025 I began feeling palpitations that I could then record on an Apple Watch that look like the second and third lines of the EKG. I’ve been to the hospital several times and while my heart rate has gone up to 300 once, an EP said that the above looks like normal sinus rhythm, not arrhythmia, which is also what the watch says. But while these palpitations used to be quick, since June 17 I’ve been having these palpitations nonstop, to the point of not being able to feel if I’m having them or not. My left neck vein used to throb when I would feel them and I would get a sense of panic, but now I don’t know if my heart will go back to normal. I also tried taking metoprolol for 2 weeks, highest does a day was 25 mg, but I’ve stopped now and it never helped. Otherwise, I have no other symptoms. I’m scheduled for an EP study later this month.
Just looking to see what you all think?
I am 20 , female , went to a&e they said this ecg lookes good and is nothing to worry about .
Just got home one night when my heart rate spiked up. Eventually remembered I should do ECG on my watch. Seems I managed to catch it returning back down to normal after about five minutes…
Was interesting to see my watch show my heart rate dropped by around 100bpm in a second!
Last couple days I’ve been having jerks before going to bed or having an onset of weird heart racing for few minutes then settles down after an hour before I go drift to sleep. Today I received inconclusive reading and it’s having trouble recording an ecg off my Apple Watch. I had to take a day off this week cause of the scare and today I don’t want to call in sick again. It’s 3AM…
Edit: My cycle has just started and I have been having a sore throat for 2 days. My brother has been sick since Sunday.
upd: i added new context about the operation incident
Hi everyone,
I am a F25 diagnosed with hyperadrenergic POTS (Postural Orthostatic Tachycardia Syndrome), which I manage Propranolol (10 mg 5 times a day). I am trying to understand if my maternal history and my own test anomalies should be considered a "concerning family history" for genetic channelopathies like Long QT Syndrome (LQTS).
My Background & Test Results:
Resting ECGs & Stress Test: All my standard 12-lead resting ECGs have been normal. I recently had a treadmill exercise stress test that was completely normal. At peak exercise (HR ~160 bpm), my uncorrected QT was 250 ms. During recovery (HR ~113 bpm), my uncorrected QT of 290 ms if that's interesting.
However, the holter study showed anomaly: My recent 24-hour Holter monitor was mostly clean (few PACs and 1st degree AV block at night). However, during periods of sinus tachycardia and chaotic heart rate jumps, the automated Holter algorithm flagged a total of 14 minutes of borderline/prolonged QTc up to 490 with Bazett's formula. My smartwatch also occasionally shows borderline QTc numbers during these heart rate fluctuations, number in 440-450 range at rest.
My Mother's Medical History: This is the main source of my anxiety, as there is a significant blind spot in her medical records. She's 50, has normal resting 12-lead ECGs and had it like that her whole life, normal intervals, and no independent history of syncope, primary cardiac arrest, or unexplained arrhythmias. I must add another history of allergic reactions - She is NOT chronically ill, but she has had exactly two isolated, severe episodes of acute facial/airway edema (Quincke's edema) in her life. Both episodes were completely resolved with Dexamethasone (corticosteroids). She has no reaction to any QT triggers such as medications, citrus fruits, jumpscares and high heart rate (she denies having POTS but it seems like it)
The Intraoperative Emergency: Around 30 yeas ago, while she was in the operating room for a laparoscopic surgical procedure for her fallopian tubes(something linked with fertility) and a severe medical emergency occurred and her heart stopped. We do not have clear details because absolutely nothing was specified in her medical discharge papers about what exactly happened to her heart or blood pressure. However, they had to perform an emergency intubation (she said she woke up with the pain from the tube. I thought everyone gets a tube during an operation?) right there in the operating room to save her life but she woke up without it. There is no family history of sudden unexplained death or drowning but this case is extremely weird because she got to know it from the nurse and didn't even manage to ask a doctor. I must add that later in life she had 5 different surgeries and everything went well.
Questions:
1.Given the complete lack of documentation regarding my mother's intraoperative crisis, can an isolated event like this be viewed as a "concerning family history" for inherited cardiac conditions or sudden death? As far as I know there are syndromes that are concealed and wouldn't be seen on usual resting ECGs.
2.Could my 14 minutes of borderline QTc on the Holter during chaotic heart rate jumps be a benign manifestation of hyperadrenergic POTS rather than a sign of a true genetic channelopathy like LQT2?
I've been to five doctors that have been so vague about it it seems like in the place where I live they don't really care about it unless you're actively dying. All I could get is "well there's no reason to worry or think that it's related but let's get manual holter reports."
I'm adding: two of my EKGs, one is at normal HR with propranolol added and the second is at higher heart rate on no medication. One of my mother's ECGs , one borderline ECG from my watch and the QTc max from my holter. I won't add stress test because it's completely unremarkable.
Thank you for your time and guidance!
ECG shows HR at 34bpm, taken after dizziness and LOC. Months later, had a similar episode which documented a heart pause of 15 seconds. What is likely causing this?
i was slouching when taking this reading and have done several more ecgs since, all sinus so i’m not urgently concerned
Hi, I was hoping someone could make light of some of these readings that I get from time to time (only when heart rate is above or at 100bpm). I've had similar readings in the past but this recent one came after doing some very very light garden work (cutting wood / kindling and storing it), this came along with general feeling of discomfort, intense sweating and rapid breathing / slight shortness of breath.
I've had previous clear; ECGs, Echo, bloods (including troponin), and most recently an MRI that I am awaiting results for.
All watch ECGs were done about 10 minutes after first onset symptoms.
Could someone help with this and let me know about the urgency of the results. It’s a family members reading, she has headaches and dizziness and chest pain with activity such as walking up a hill. Angiocath CT testing is not booked until late October, I feel like this is very late?
I understand this is saying there’s been damage to the inferior heart wall and possibly anterior as well. Does this mean there’s been two heart attacks in the past, or can one cause damage in both places?