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Interpretation of abnormal arterial line waveforms ...
https://derangedphysiology.com/main/cicm-primary-exam/required-reading/cardiovascular-system/Chapter%20761/interpretation-abnormal-arterial-line-waveforms
Arterial waveform in aortic stenosis. In their paper "Valve origin of the aortic incisura", Sabbah and Stein were able to demonstrate (using a plastic tube and some cadaveric valves) that the incisura is due to aortic valve closure, and that information regarding the aortic valve can be derived from the shape of the waveform. Though the scanned copy of their 1978 …
Simultaneous left ventricular and ascending aortic ...
https://pubmed.ncbi.nlm.nih.gov/2720773/
In order to determine the reliability of a single arterial access technique for hemodynamic assessment of aortic stenosis, data obtained from this method was compared with that from dual arterial access in 13 patients. ... Peak pressures, AA pressure-tracing characteristics, mean gradients, and the aortic valve area using tracings from the MTS ...
Normal arterial line waveforms | Deranged Physiology
https://derangedphysiology.com/main/cicm-primary-exam/required-reading/cardiovascular-system/Chapter%20760/normal-arterial-line-waveforms
The latency of the dicrotic notch behind the systolic peak varies with the position of the arterial line, moving further and further from the systolic peak the further you go down the arterial tree. This is probably because some component of it is still related to waves reflected off the closed aortic valve, which would take longer to arrive in the distal circulation.
Aortic valve stenosis - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/aortic-stenosis/symptoms-causes/syc-20353139
Aortic Stenosis Overview | American Heart Association
https://www.heart.org/en/health-topics/heart-valve-problems-and-disease/heart-valve-problems-and-causes/problem-aortic-valve-stenosis
Aortic stenosis is a narrowing of the aortic valve opening. Aortic stenosis restricts the blood flow from the left ventricle to the aorta and may also affect the pressure in the left atrium. Although some people have aortic stenosis because of a congenital heart defect called a bicuspid aortic valve, this condition more commonly develops during ...
Accurate Assessment of Aortic Stenosis | Circulation
https://www.ahajournals.org/doi/full/10.1161/circulationaha.113.002310
Aortic valve (AV) stenosis is one of the most common valvular diseases and is the third most common cardiovascular disease in developed countries. It occurs in ≈2.8% of patients ≥75 years of age and can occur because of degenerative calcification and congenital valvular defects such as bicuspid AVs or rheumatic disease. 1 – 3 Calcific ...
Arterial Lines - StatPearls - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK499989/
Arterial catheterization is a procedure that is common to the intensive care settings and the operating room. It involves placement of a catheter into the lumen of an artery to provide at least a continuous display blood pressure with access to frequent arterial blood sampling. The discovery of the arterial waveform by insertion of a catheter into an artery dates …
Aortic Stenosis - Circulation
https://www.ahajournals.org/doi/full/10.1161/circulationaha.118.033408
During this period, the assessment and surgical treatment of severe aortic stenosis (AS) in adults, predominantly rheumatic in origin, were both undergoing rapid changes. In the 1950s, before open heart surgery and left-sided heart catheterization were available, after thoracotomy dilators were inserted through a ventriculotomy, and severely ...
The Crashing Patient with Critical Aortic Stenosis EMRA
https://www.emra.org/emresident/article/the-crashing-patient-with-critical-aortic-stenosis/
The Crashing Patient with Critical Aortic Stenosis. 10/3/2017 Ram Parekh, MD , Mark Andreae, MD. A 90-year-old male with a past medical history of severe aortic stenosis, heart failure with reduced ejection fraction, and chronic kidney disease presents with shortness of breath. His vital signs are as follows: HR 112, BP 85/60, RR 28, SpO2 85% ...
Arterial Line Monitoring and Placement | Critical Care ...
https://accessanesthesiology.mhmedical.com/content.aspx?bookid=1944§ionid=143522170
Historically, the indications for placement of arterial lines included: (1) continuous beat-to-beat monitoring of blood pressure; (2) frequent sampling of blood for laboratory analysis and monitoring of ventilatory impairment; (3) arterial administration of drugs such as thrombolytics; and (4) use of an intra-aortic balloon pump. 1, 3 These ...
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