Ralph M. Waters

Biography Medical Eponyms Waters To-and-Fro Carbon Dioxide Absorption Canister (1923) Guedel-Waters Cuffed intratracheal tube (1928) The catheter effectively prevents all air leaks and renders the respiratory system entirely closed, with a controllable to and fro respiratory exchange. Aspiration of foreign…

TOP-100-ECG-QUIZ-340
ECG Case 109

84 year old male presents complaining of general lethargy, nausea, several episodes of diarrhea, and dizziness. Describe and interpret this ECG.

extremes
Going back to extremes!

The Leaderboard for 'extremes' from the real world of clinical pathophysiology! Seven years ago, thanks to a suggestion by Greg Kelly, we sought out the most extreme parameters clinicians have encountered in looking after their patients.

TOP-100-ECG-QUIZ-340
ECG Case 108

59yr old male who presented to the Emergency Department following 2 episodes of syncope. Describe and interpret this ECG. LITFL Top 100 ECG