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David Littmann (July 28, 1906 – January 1, 1981) was an American cardiologist and Harvard Medical School professor and researcher. [1] The name Littmann is well known in the medical field for the patented Littmann Stethoscope reputed for its acoustic performances for auscultation .
[11] [12] In the late 1970s, 3M-Littmann introduced the tunable diaphragm: a very hard (G-10) glass-epoxy resin diaphragm member with an overmolded silicone flexible acoustic surround which permitted increased excursion of the diaphragm member in a Z-axis with respect to the plane of the sound collecting area. [13]
A hybrid cardiac surgical procedure in a narrow sense is defined as a procedure that combines a conventional, more invasive surgical part (including a skin incision) with an interventional part, using some sort of catheter-based procedure guided by fluoroscopy (or other, e.g., CT or MRI) imaging in a hybrid operating room (OR) without interruption. [1]
Early Morbidity and Mortality Within 30 days of hospitalization, morbidity and mortality after Bentall procedure are associated with complications stemming from cardiac arrhythmia, pneumonia, acute respiratory distress syndrome (ARDS), sepsis, graft infection, wound infection, neurologic/ cerebrovascular accident and stroke, hemorrhage/ bleeding, myocardial infarction, pericardial effusion ...
A cardiothoracic surgeon in the U.S. is a physician who first completes a general surgery residency (typically 5–7 years), followed by a cardiothoracic surgery fellowship (typically 2–3 years). The cardiothoracic surgery fellowship typically spans two or three years, but certification is based on the number of surgeries performed as the ...
The free edge of a ruptured diaphragm may curl and become perpendicular to the chest wall, a sign known as a dangling diaphragm. A herniated organ may constrict at the location of a rupture, a sign known as the collar sign. If the liver herniates through a rupture on the right side, it may produce two signs known as the hump and band signs.
Endovascular aneurysm repair (EVAR) is a type of minimally-invasive endovascular surgery used to treat pathology of the aorta, most commonly an abdominal aortic aneurysm (AAA).
A small incision (about 3–4 cm or 1.5 inches) is made just lateral to the sternum below the nipple line, usually on the patient's left side. [8] A pocket is created under the skin, and the ILR is placed in the pocket. Patients can go home the day of the procedure with few restrictions on activities. [4]
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