HARBRACE YOURSELVES; "ECT" IS AN ACRONYM FOR ELECTROCONVULSIVE THERAPY--A MEDICAL TREATMENT MOST COMMONLY USED IN PATIENTS WITH SEVERE MAJOR DEPRESSION OR BIPOLAR DISORDER.
WHEREAS "ETC." IS AN ABBREVIATION FOR ETCETERA--AN ADVERB USED AT THE END OF A LIST TO INDICATE THAT FURTHER, SIMILAR ITEMS ARE INCLUDED.