Results 81 to 90 of about 93,336 (201)

Dealing with Limited Overlap in Estimation of Average Treatment Effects [PDF]

open access: yes
Estimation of average treatment effects under unconfounded or ignorable treatment assignment is often hampered by lack of overlap in the covariate distributions.
Guido W. Imbens   +3 more
core  

An Early Holiday Surprise: Cholecystitis Wrapped in Takotsubo Cardiomyopathy [PDF]

open access: yes, 2020
This is a novel case report of a 44-year-old woman who presented to the emergency department with epigastric pain wrapping around to her back. She had no risk factors for cardiac disease, but her initial electrocardiogram (ECG) showed a Wellens syndrome ...
Gould, Kevin   +2 more
core  

Effect of abnormal right heart structures on the diagnosis of pulmonary hypertension

open access: yesPulmonary Circulation, 2018
The diagnosis of pulmonary hypertension (PH) requires a right heart catheterization (RHC) that reveals a mean pulmonary artery pressure ≥ 25 mmHg. The pulmonary artery catheter traverse the right atrium and ventricle on its way to the pulmonary artery ...
Batool AbuHalimeh   +2 more
doaj   +1 more source

Central Sleep Apnea in Patients due to Severe Aortic Stenosis

open access: yesCase Reports in Medicine, 2010
History. We report about the course of central sleep apnea (CSA) in 3 patients (70.3±15.2 years) with severe aortic stenosis (AS) (AVA≤1.0 cm2, NYHA 2.7±1.4). Investigations.
Christian Prinz   +5 more
doaj   +1 more source

Understanding longitudinal bi-ventricular structural and functional changes in a Pulmonary Hypertension Sugen-Hypoxia rat model by Cardiac Magnetic Resonance Imaging [PDF]

open access: yes, 2020
Buist, Hanna   +14 more
core   +2 more sources

Access via the internal jugular vein [PDF]

open access: yes, 2008
Central venous access via the internal jugular vein (IJV) is safe, relatively easy and very commonly used in infants and children undergoing cardiac surgery for congenital heart disease. Because of the wide range of anatomical variations an ultrasound-
Kruessell, Markus   +3 more
core  

Activity of the right cardiac ventricle and metabolism in healthy persons during an orthostatic test after short term immobilization [PDF]

open access: yes
A 15 minute orthostatic test was performed on healthy male volunteers under conditions of catheterization of the right ventricle of the heart and the radial (or brachial) artery before and after 5 day bedrest in an antiorthostatic position of the body ...
Chestukhin, V. V.   +7 more
core   +1 more source

Echocardiography curriculum development for physician assistants using entrustable professional activities [PDF]

open access: yes, 2017
BACKGROUND: With the projected increase of cardiovascular disease in the aging population, a higher demand for echocardiography use is predicted. However, there is a shortage in the supply of cardiologists, to the point that a 2009 American College of ...
Moon, Saemyi
core  

How to perform right heart catheterization via the arm veins?

open access: yesTürk Kardiyoloji Derneği Arşivi, 2020
Yalcin Velibey
doaj   +1 more source

Novel Echocardiographic Parameter Assessing Pulmonary Vascular Resistance in Patient with Acyanotic Congenital Heart Disease

open access: yesMajalah Kardiologi Indonesia
Background Pulmonary vascular resistance (PVR) is an important variable in management of acyanotic congenital heart disease. Right heart catheterization (RHC) using impedance catheter remains gold standard for pulmonary vascular resistance (PVR ...
Muhammad Raihan Ramadhan Natadikarta   +4 more
doaj   +1 more source

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