Spontaneous venous pulsations are present in about 80 percent of patients with ODD, but absent in cases of true disc edema.
2.
For more senior level medical students, Harvey can mimic heart sound variation with respiration, along with a variety of cardiac issues, such as carotid or jugular venous pulsations.
3.
Dr . Karel Wenckebach, a Dutch physician at the turn of the 20th century, discovered the arrhythmia, later named after him, by timing a patient's arterial and venous pulsations.
4.
Vasodilation and pooling of venous blood in the head due to compromised venous return to the heart, as occurs with congenital cyanotic heart disease patients, or in patients in the Trendelenburg position, can cause a combination of arterial and venous pulsations in the forehead region and lead to spurious Sp O 2 results.
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