Asian Spectator


The Times

.

How do pacemakers and defibrillators work? A cardiologist explains how they interact with the electrical system of the heart

  • Written by Virginia Singla, Clinical Assistant Professor of Cardiology, University of Pittsburgh
How do pacemakers and defibrillators work? A cardiologist explains how they interact with the electrical system of the heartElectrocardiograms, or ECGs, record the electrical activity of your heart. Randy Faris/The Image Bank via Getty Images

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed. If...

More Articles ...

  1. Teens don't know everything − and those who acknowledge that fact are more eager to learn
  2. Norman Lear's ’70s TV comedies brought people together to confront issues in a way Gen Z would appreciate
  3. Viva Guadalupe! Beyond Mexico, the Indigenous Virgin Mary is a powerful symbol of love and inclusion for millions of Latinos in the US
  4. How the Christmas pudding, with ingredients taken from the colonies, became an iconic British food
  5. Ex-Speaker McCarthy's departure from Congress reads like Greek tragedy – but stars a 'slight unmeritable man' and not a hero
  6. The landmark Genocide Convention has had mixed results since the UN approved it 75 years ago
  7. The holidays and your brain – a neuroscientist explains how to identify and manage your emotions
  8. AI can teach math teachers how to improve student skills
  9. Michigan is spending $107M more on pre-K − here's what the money will buy
  10. Turning annual performance reviews into 'humble encounters' yields dividends for employees and managers

Magazine

Compressed Air Pipe and Fittings: What Every Australian Industrial Facility Needs to Know

Compressed air is the fourth utility of modern industry, right alongside electricity, gas, and water. Yet despite its critical role in powering everything from pneumatic tools to automated productio...

Common Risks Hidden in Commercial Lease Agreements

Commercial leases are often longer and more complex than tenants expect, and the fine print can carry significant financial and operational consequences over the years that follow. Many business own...

Corporate Secretarial Services in Singapore: Annual Compliance, Key Filings, and Common Mistake

Annual compliance in Singapore should not be treated as a once-a-year administrative event. It is an ongoing governance system that depends on accurate records, timely filings, disciplined approvals...

hacklink hack forum hacklink film izle hacklink z-librarygrandpashabetPadişahbetPadişahbetDizipalStreamEastPadişahbetGalabetjojobetjojobetcasibomhttps://chantilly-montessori-school.vercel.app/esim senegalbetparkbetparktelegram下载zlibrary bookscasino en lignejojobetjojobetholiganbetsuperbetin