Support.
Looks like FA23 pg288 has corrected this as well. Used to say PDA supplies AV node, now just says the RCA does so.
Made some updates to the extra in line with this change
support
need to also check
#AK_Step1_v12::#UWorld::11837
#AK_Step1_v12::#UWorld::179
#AK_Step1_v12::#UWorld::19173
If no one else has Step 1 access still, I’ll bookmark this for like a month out and check back to see if I’ve hit any of these QIDs
Just got QID:11837! This question gives you a patient w/ left-dominant coronary circulation and asks which artery the AV nodal artery originates from, answer being the left circumflex.
Their rationale: the AV nodal artery most commonly arises from the dominant coronary artery (either right coronary or left circumflex) with right dominance being most common (70-80% of people)