@emgrl
There are quite a few medical journal articles and other published cases on this. Two good links about Propranolol overdoses can be found below. Link #1 has good information on lethal dosing and link #2 has quite a bit of information on how an emergency department would administer treatment if you were interrupted.
While betablockers have a good potential to be lethal when dosing correctly, they are fairly easy to reverse in a basic emergency room setting.
aka Toxicology Conundrum 044 A 27-year old female weighing 60kg presents to ED approximately 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 and BP 100/60. Fifteen minutes...
litfl.com
Massive propranolol overdose is perhaps one of the most challenging overdoses to manage. In 2009 we posted a case we had. We have progressed in our
www.resus.com.au