Vídeos del Professor Mark O'Neill
![](https://i.ytimg.com/vi/xXTLnoAqYos/hqdefault.jpg)
In this introductory video, Professor Mark O'Neill, a highly esteemed consultant cardiologist, tells us what the most rewarding aspect of his daily profession as a consultant cardiologist is. 00:00 Introduction 00:08 Name and position 00:20 Why he chose to become a cardiologist 01:06 Most rewarding aspect of job 01:57 What patients can expect from a consultation with him To book an appointment today with Professor O'Neill, visit his Top Doctors profile here: https://www.topdoctors.co.uk/doctor/mark-o-neill-doctor ✔ Follow us on Instagram: https://bit.ly/3fSrqXb ✔ Follow us on Facebook: https://bit.ly/3t5kGsW ✔ Follow us on Twitter: https://bit.ly/39TidKh
![](https://i.ytimg.com/vi/G_5KyJBkq1w/hqdefault.jpg)
In this online interview, esteemed consultant cardiologist, Professor Mark O'Neill, shares his expert insights with regards to tachycardia. 00:00 Introduction 00:08 What is tachycardia? 00:50 Symptoms to watch out for 01:56 What's the difference between tachycardia and other heart problems? 03:11 When should I seek help for tachycardia? To book a consultation today with Professor O'Neill, visit his Top Doctors profile: https://www.topdoctors.co.uk/doctor/mark-o-neill-doctor ✔ Follow us on Instagram: https://bit.ly/3fSrqXb ✔ Follow us on Facebook: https://bit.ly/3t5kGsW ✔ Follow us on Twitter: https://bit.ly/39TidKh