29 - Spontaneous Coronary Artery Dissection Flashcards Preview

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Flashcards in 29 - Spontaneous Coronary Artery Dissection Deck (9)
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1
Q

definition of spontaneous coronary artery dissection SCAD

A

separation of the media by hemorrhage w/o an associated intimal tear and isn’t a/w aortic root dissection nor is it a consequence of coronary angioplast or angiography, cardiac surgery or chest trauma

2
Q

____ occur durign pregnancy or in the postpartum period

A

2/3

3
Q

most common pathologies associated with SCAD

A
  • coronary atherosclerosis and vascular changes occurring during the peripartum period
  • connective tissue disorders such as SLE or vasculaitis
  • cocaine abuse
  • vigourous exercise and prolonged sneezing
  • idiopathic
4
Q

SCAD on intracoronary imaging

A

presence of thin longitudinal radiolucent line representing intimal medial flap with flow in 2 or more lumens

5
Q

occurs most often in _______ and occurs frequently in _____-

A

young women

6
Q

most freqently involved vessel

A

LAD

7
Q

essential diagnostic tool for SCAD

A

early coronary angiography

8
Q

tools that provide detailed information on the location and extent of the dissection

A

Intravascular ultrasound IVUS and optical coherence tomography OCT

9
Q

Pts with ongoing MI must be treated with ______-.

Pts w/o flow limiting dissection should be treated _________.

A

–> early revalsularization with PCI or CABG

–> conservatively as spontaneous healing is possible