CCI RCS Study Guide Questions & Answers Already Graded A+

Cavitation is - The creation or vibration of small gas filled bodies by the ultrasound beam. (Tends to occur only with higher-intensity exposures. The 6 intensities from highest to lowest are - 1.) SPTP 4.) SATP 2.)SPPA 5.) SAPA 3.)SPTA 6.) SATA What tricuspid valve leaflets are noted in PLAX? - Anterior and medial/septal posterior. Formula for calculating EF? - EF% = (sv/edv) x 100% Stroke Volume (SV) formula - EDV - ESV What is stroke volume (SV)? - Amount of blood pumped out of each ventricle during a single heart beat. What is the chiari network? - Network of fibers originating from eustachian valve. Where can the chiari network be found - Right atria What is the most anterior chamber of the heart? - Right ventricle Which pair of intensities has the lowest value? - SATA (spatial average and temporal average) Where is the Eustachian valve located ? - In between the IVC and the right atrium.What's another name for the Right Ventricular Outflow Tract (RVOT) ? - Infundibulum Where is the coronary sinus located in relation to the descending aorta? - Anterior The three cusps of the tricuspid valve are? - Anterior Medial Posterior What's the two main layers of the pericardium? - 1.) Visceral = lies directly upon external surface of the heart and is commonly referred to as the epicardium. 2,) Parietal = or fibrous pericardium is the thick outer sac. *The pericardial cavity lies between these two layers. What is the normal pressure for the right ventricle ? - 25/5 mmHg What is the normal pressure for the pulmonary artery? - 25/10 mmHg What is the normal pressure for the left atrium? - 10mmHg What is the normal pressure for the aorta ? - 120/80 mmHg What are the two cusps of the mitral valve ? - Anterior (long) and the posterior (short) When is the left ventricular pressure the lowest? - Early diastole What is Becks Triad and what does it cause? - AKA cardiac tamponade. Causes an elevated pressure in heart, hypotension and a quiet heart What are the effects of pulmonary HTN ? - Dilated pulmonary arterySevere TR RV dilation What happens to the size of an aneurysm during systole? - It increases In patients with A-Fib which heart sound would be missing ? - Fourth