Study

Echo Chap 20

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  • a rapid change in the degree of dilation, usually defined as more than ___mm/yr is often used as an indication for surgery.
    5mm/yr
  • Atheromas of the aorta are characterized by ???
    location and topographic characteristics.
  • The most common location for a sinus of Valsalva aneurysm to rupture is into the ???
    RA
  • What is the major complication of sinus of valsalva.
    rupture
  • Name the segments of Ao.
    Annulus, Sinuses of Valsalva, Sinotubular junction, Ascending tubular aorta, The arch, Descending thoracic aorta
  • Aortic insufficiency commonly occurs in ______ ______ ______.
    ascending aortic aneurysms
  • Normal Aorta consists of how many segments.
    6
  • Aortic dissection, intramural hematoma (IMH), atherosclerotic plaque rupture, and aneurysm rupture all have a similar clinical presentation and are often referred to as an ????
    “acute aortic syndrome.”
  • Aneurysms arising from the right Valsalva sinus typically protrude into the right atrium where they may be visualized as a _______ structure.
    “windsock”
  • Identification of a _____ in a patient with Marfan syndrome should heighten the awareness of spontaneous coronary dissection as a possible etiology.
    RWMA
  • ______ ______ is an inflammatory disease of the aorta and its proximal branches
    Takayasu arteritis
  • Write down the measurements A-F.
    A) 20-31mm B) 29-45mm C) 22-36 D) 22-36mm E) 22-36mm F) 20-30mm*
  • Idiopathic dilation (below the threshold for definition of an aneurysm) have often been referred to as ???
    aortic ectasia.
  • Marfan syndrome is a heritable disorder of connective tissue associated with a mutation of the _____ gene.
    FBN1 gene.
  • Sinus of Valsalva aneurysms most often arise from the right sinus. ____ ____.
    Right sinus
  • length of a sinus of Valsalva aneurysm can reach ____ - ____ cm
    3 to 5 cm.
  • threshold of _____mm is considered an indication for prophylactic aortic surgery in an effort to reduce the likelihood of a catastrophic event such as rupture or dissection.
    55mm
  • aortic dilation of more than ___mm is a definite risk factor for dissection
    55mm
  • ______ are most common in the descending thoracic aorta and arch and far less frequently encountered in the ascending aorta.
    Aortic Atheromas
  • what is seen in the image
    SINUS OF VALSALVA ANEURYSM
  • ____________ is a medical imaging methodology using a specially designed catheter with a miniaturized ultrasound probe attached to the distal end of the catheter.
    Intravascular ultrasound (IVUS)
  • true/ false: American Society of Echocardiography recommends measuring leading edge to leading edge at end diastole.
    true
  • true/ false: pericardiocentesis to reduce the intrapericardial pressure may be counterproductive and simply result in more aggressive bleeding into the pericardial space and patient demise.
    true
  • _____ and _____ has ability to evaluate the entire extent of the aorta
    CT and MRI
  • what am i? hemorrhage occurs into the medial layer does not rupture into the lumen.
    Intramural Hematoma
  • True/ False: Dissection typically occurs in the setting of pre-existing aortic dilation, Marfan syndrome, or hypertension.
    True
  • The ascending aorta terminates at the ?
    right innominate artery (brachiocephalic artery),
  • patients with a _________syndrome are intervened at a substantially lower threshold of ___-___mm because of the high prevalence of spontaneous aortic dissection and rupture in this population.
    Loeys–Dietz , 40 to 45
  • True/ False: As the pathologic process is diffuse and can involve any area of the aorta
    true. it can be in multiple areas
  • what are the 3 major vessels off the arch. in order rt - lt
    rt Brachiocephalic, left CA, left Subclavian
  • Aortic aneurysms are typically characterized by their ________.
    location
  • Stanford type is always an
    emergency
  • patients with _______ syndrome are at risk of aneurysm formation, dissection, and rupture at any point along the course of the aorta
    Marfan
  • An aneurysm is defined as enlargement to more than ____ times the normal dimension for that aspect of the aorta.
    1.5 times