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Cardiac Amyloidosis
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Myocardial Viability Imaging: An Attractive Idea Without the Clinical Outcomes to Back It Up
Guest Bloggers: Alvin S. Chen, MD @chen_alvin_s Thomas H. Hauser, MD, MPH, MMSc @ThomasHauser_MD ***** Heart failure is increasingly common and presents a major clinical and public health challenge. Coronary artery disease is the leading cause of heart failure in the United States, causing myocardial injury leading to reduced systolic function and ultimately heart failure.1 It was first demonstrated in the 1970s that dysfunctional myocardium in the setting of coronary artery disease could be coaxed back to life using an infusion of epinephrine.2 This dysfunctional myocardium that could regain function was termed viable myocardium. Subsequent studies have shown that coronary revascularization provides more durable improvements in systolic function and superior clinical outcomes.
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Patient-Centered Imaging: Advanced Protocoling and Stress-First SPECT
Guest Bloggers: Laura Murphy, MB BCh and Sanjay Divakaran, MD As per the ASNC Preferred Practice Statement on Patient-Centered Imaging,1 stress-first single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) presents an opportunity to lower patient radiation exposure, increase overall patient convenience and satisfaction, and decrease cost and resource utilization without sacrificing study quality or the depth and breadth of information providing to referring clinicians.
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Sequestration 101: Why the Sequestration Moratorium Should Be Extended
This article was updated March 29, 2021. On March 19, the U.S. House of Representatives passed legislation (H.R. 1868) that, if enacted, would extend the current moratorium on the 2 percent Medicare sequestration through 2021 and would waive budgetary requirements that would otherwise result in additional across-the-board Medicare provider cuts next year under the Pay-As-You-Go Act. Below we answer common questions about sequestration.
