Struggling with ECG axis calculation? Can’t work out your left axis deviation from your right? This tutorial from the LITFL ECG Library will show you how it’s done!
The ST segment is the flat, isoelectric section of the ECG between the end of the S wave (the J point) and the beginning of the T wave. What are the causes of ST elevation or depression?
A 27-year old female presents to ED one hour after swallowing 70 x 40mg propranolol tablets (= 2.8 grams) with suicidal intent. At the time of assessment she is drowsy (GCS 13) with a heart rate of 46 bpm. Fifteen minutes earlier she had been awake and able to give a history to paramedics… You need to act fast to save this patient. Are you up to the challenge?