MCQs Nuclear

66 year old male patient who is admitted with refractory heart failure. Symptom onset was 9 months earlier. Creatinine of 2.4 mg/dl. LV dysfunction by echo with EF of 24 % and stage 3 diastolic dysfunction. A cardiac cath was considered but given renal function….. You would recommend:

52 year old male with hypercholesterolemia  and dyspnea on exertion. he was submitted o a stress/rest SPECT with regadenoson. What is the best interpretation of these images?