Interview Guide (Cardiologists)
Topic/Rationale	Question	Follow Up/Probe
Clinical care	1. How do you approach management of acute myocardial infarction (AMI) in patients aged 80 y or older?	————
	2. What influences your management decisions?	How do you assess things like frailty, cognitive impairment, and family support in a patient?
	3. What is your practice with cardiac catheterization in patients over the age of 80 y?	Can you explain your answer?
	4. In older adults, what complications do you worry about the most?	————
	5. How do you explain the risks and benefits of cardiac catheterization to patients?	What do you believe is the greatest risk/benefit?
Shared decision making	6. What do you know about shared decision making (SDM)?	SDM is a collaborative process that allows patients and their providers to make healthcare decisions together. It takes into account the best clinical evidence available, as well as the patient’s values and preferences.
	7. Do you or have you ever used SDM with your AMI patients? How have you used SDM in your practice? How did you carry this out?	Tell me about a time when you used SDM for an older adult with an AMI? Tell me about a time that you would have liked to use SDM but did not or felt you were not able to?
	8. Do you think SDM is useful in AMI? How useful do you believe SDM to be? What are the benefits and what are the downsides?	Can you explain why/why not?
	9. What would help you explain the risks and benefits of (1) catheterization and (2) medications to patients after AMI?	As part of our research, we’re looking to help physicians make decisions with older adults and AMI. What would be helpful to you?
	10. Tell me about your most memorable experience treating an older adult with AMI.	————
Closure	Is there anything else you would like to say in relation to SDM and clinical care of your patients post-AMI?	————