Diastology

IBC

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Review Question Answers

Chapter 1 1. a. Cardiac relaxation is regulated by NO. ROS can affect NO-related signaling at multiple sites. NO is generated by NO synthase (NOS), which requires tetrahydrobiopterin as a cofactor for the reaction. Hypertension and activation of the renin-angiotensin system…

Cases of Diastolic Heart Failure

Case 1 35-Year-Old African American Man With Suspected Left Ventricular Hypertrophy History: 35-year-old African American athlete referred for evaluation of suspected left ventricular hypertrophy based on an electrocardiogram (ECG) obtained during his annual screening. He is otherwise completely asymptomatic. Past…

Future Therapies in HFpEF

Introduction The treatment of diastolic heart failure (HF), also known as heart failure with preserved systolic function (HFpEF), has been challenging, partly because there is a lack of consensus regarding the definition of the disease entity as well as a…

Perioperative Assessment of Diastolic Function

Case Study A 75-year-old female presents for coronary artery bypass grafting (CABG) for treatment of unstable angina secondary to severe three-vessel coronary artery disease. The patient reports a history of hypertension, hyperlipidemia, and diabetes mellitus. Preoperative transthoracic echocardiogram demonstrated normal…