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What structures aid in stabilizing each AV valve from protruding into the atria?
A. Chordae Tendinae
B. Myocardial tendons
C. Fibrous strands
D. Papillary Muscles - ✔✔A
What portion of the ECG is best for diagnosis of myocardial ischemia or injury?
A. QRS complex
B. ST segment
C. QT interval
D. PR interval - ✔✔B
On the mitral valve inflow Doppler tracing of a patient with constrictive pericarditis, the E velocity will
be:
A. increased >25% upon inspiration and decreased with expiration
B. decreased <25% upon expiration and increased with inspiration
C. Increased <25% upon inspiration and decreased with expiration
D. Decreased >25% upon inspiration and increased expiration - ✔✔D
,An ausculatory finding in constrictive pericarditis may be:
A. pericardial knock
B. honking sound
C. pericardial rub
D. Carvallo's sign - ✔✔A
Right ventricular early diastolic collapse seen on M-mode echocardiography suggests:
A. cardiac tamponade
B. constrictive pericarditis
C. pleural effusion
D. pericarditis - ✔✔A
The most common cardiac valve tumor is:
A. myxoma
B. Lipoma
C. Rhabdomyoma
D. Fibroelastoma - ✔✔D
A high density, well defined spectral Doppler tracing of mitral regurgitation may indicate:
A. LAE
B. Late closure of MV
C. Mild regurgitation
D. severe regurgitation - ✔✔D
, Patients with constrictive pericarditis typically go into heart failure due to:
A. increased pulmonary pressures
B. Diastolic dysfunction
C. systolic dysfunction
D. increased pericardial pressure - ✔✔B
What is the finding with Chagas disease, which helps to identify it as the cause of dilated
cardiomyopathy?
A. left ventricular apical aneurysm
B. Mitral regurgitation
C. Dilated left ventricle
D. dilated right ventricle - ✔✔A
Maneuvers that mat decrease left ventricular volume and provoke mitral prolapse include:
A. supine to standing position
B. Valsalva maneuver
C. Amyl Nitrate
D. all the above - ✔✔D
Aortic stenosis has narrow pulse pressure.