Post-test Imaging-HF

A 42-year-old woman presents with acute heart failure and is diagnosed with suspected fulminant myocarditis. She undergoes a CMR.

What is the most appropriate timing for performing a CMR to evaluate myocarditis in this patient?

• Within the first 24 hours of symptom onset

• 1-2 weeks after symptom onset

• 2-3 weeks after symptom onset

• 4-6 weeks after symptom onset

A patient with suspected myocarditis undergoes a CMR which shows an increase in T2 mapping values as shown.

Question: What do these CMR findings indicate in the context of myocarditis?

• Presence of myocardial ischemia

• Presence of myocardial inflammation and fibrosis

• Presence of myocardial injury

• Presence of myocardial edema

A 28-year-old male presents with palpitations and chest pain. ECG shows non-specific ST changes, and echocardiography is normal. CMR is performed to investigate myocarditis.

Question: Which CMR sequence is most useful to detect myocardial edema in this patient?

• T1 mapping

• T2 STIR imaging

• Late gadolinium enchancement

• Diffusion-weighted imaging

A 60-year-old man with a history of acute myocarditis undergoes CMR to monitor his condition.

Question: Which CMR parameter is most predictive of poor long-term outcomes in myocarditis?

• Increased T2 mapping values

• Increased T1 mapping values

• Presence of late gadolinium enhancement (LGE) in the septal region

• Normal extracellular-volume

A 72-year-old male whose planned to undergo coronary interventions presents with dyspnea on exertion. His echocardiogram showed severely reduced LVEF, and a CMR is ordered.

Question: Why would a CMR be indicated in this patient?

• To evaluate the severity of coronary artery stenosis

• To assess myocardial viability and scar burden

• To measure renal artery stenosis

• To detect pulmonary embolism

A 58-year-old female with a known ischemic cardiomyopathy is referred for cardiac magnetic resonance (CMR) imaging. The CMR reveals subendocardial late gadolinium enhancement (LGE) and thinned myocardiumin LAD territory.

Question: What does the presence of LGE on CMR indicate in this patient?

• Active inflammation

• Myocardial fibrosis and scar

• Coronary artery stenosis

• Increased myocardial perfusion

A 62-year-old male with a history of ischemic cardiomyopathy and persistent symptoms despite optimal medical therapy is evaluated for the possibility of revascularization. CMR is performed to assess myocardial viability.

Question: Which CMR finding would most likely support the decision to proceed with revascularization in this patient?

• Extensive areas of transmural LGE

• Preserved myocardial thickness with subendocardial infarction <50%

• Decreased left ventricular ejection fraction

• High extracellular volume (ECV) throughout the myocardium

What is the primary advantage of using MRI in the diagnosis of pericarditis?

• MRI is less expensive than other imaging techniques.

• MRI provides detailed images of the pericardial layers and can assess inflammation and pericardial effusion.

• MRI uses ionizing radiation.

• MRI is faster than CT scans.

Which of the following MRI sequences is most useful for detecting inflammation in pericarditis?

• T1-weighted imaging

• T2-weighted imaging

• Late gadolinium enhancement (LGE)

• Diffusion-weighted imaging (DWI)

What is a characteristic MRI finding in acute pericarditis?

• Thickening of the pericardium without enhancement

• Pericardial effusion with diffuse pericardial enhancement

• Calcification of the pericardium

• Reduced pericardial thickness