When a muscle contracts, it causes electrical changes called "depolarization," which can be detected by electrodes on the skin. Even...

Want to Identify a Normal Sinus Rhythm? Watch as we break it down in minutes! 👌🏼 Follow these steps for interpreting ECGs in...

*Key Diagnostic Features of Chest Pain* - Radiation to the jaw/teeth → Likely cardiac (e.g., myocardial ischaemia) - Worse on inspiration...