Mechanical and Bioprosthetic Valves
Mechanical and Bioprosthetic Valves Daniel S. Cormican Stephen M. McHugh Timothy P. Goldhardt 1. A 49-year-old woman with a history of hepatitis C virus, asthma, and intravenous (IV) drug abuse…
Mechanical and Bioprosthetic Valves Daniel S. Cormican Stephen M. McHugh Timothy P. Goldhardt 1. A 49-year-old woman with a history of hepatitis C virus, asthma, and intravenous (IV) drug abuse…
Quantification Calculations Martin Ingi Sigurdsson Nathan H. Waldron 1. A patient’s left ventricular end systolic volume is 30 mL and end diastolic volume is 72 mL. What is the patient’s…
Pulmonary Valve Diseases Rachel C. Frank Dusan Hanidziar 1. A 38-year-old man with a history of intravenous drug use is admitted to the intensive care unit (ICU) with septic shock….
Hemodynamic Calculations Martin Ingi Sigurdsson Nathan H. Waldron 1. An echocardiographic assessment of left ventricular (LV) output revealed HR 100/min, BP 130/76 mm Hg, and LV outflow tract velocity time…
Types of Artifacts Philippe B. Bertrand Samuel Bernard David M. Dudzinski 1. Which of the following assumptions about ultrasound wave propagation is made when processing the returning ultrasound waves? A….
Right Ventricular Function and Pulmonary Hypertension Etienne J. Couture Charles Lessard Brassard Andre Y. Denault 1. What is the particular finding related to the flattening of interventricular septum (IVS) during…
Quantification of Diastolic Function Shaun L. Thompson Zeid Kalarikkal 1. A 56-year-old male presents for preoperative evaluation for lung resection. Due to the history of coronary disease, hypertension, and dyspnea…
Ultrasound Artifacts Versus Pathological and Normal Anatomical Variants Sharon L. McCartney Jeffrey T. Lyvers 1. The artifact in Figure 16.1 (arrow) violates which assumption of ultrasound wave propagation? Figure 16.1…
Pulsed Wave Doppler, Continuous Wave Doppler, and Tissue Doppler Imaging Matthew Sigakis Venkatakrishna Rajajee 1. A 67-year-old woman presents to the intensive care unit (ICU) after a syncopal episode. She…
Doppler Shift Principles Matthew Sigakis Venkatakrishna Rajajee 1. For accurate Doppler velocity measurement, the angle of incidence between the direction of motion and the ultrasound beam should be: A. 90°…