document
... cerebrospinal fluid (CSF). Reservoir-This is where the excess CSF is collected until it drains into the bottom portion of the shunt. The reservoir also lets the doctor remove samples of CSF for testing, and to inject fluid into the shunt to test for flow and to make sure the shunt is working properl ...
... cerebrospinal fluid (CSF). Reservoir-This is where the excess CSF is collected until it drains into the bottom portion of the shunt. The reservoir also lets the doctor remove samples of CSF for testing, and to inject fluid into the shunt to test for flow and to make sure the shunt is working properl ...
Newly Diagnosed Atrial Fibrillation
... regularity of the cardiac cycle, especially when accompanied by short coupling intervals, and rapid heart rates in atrial fibrillation lead to a reduction in diastolic filling, stroke volume, and cardiac output. In a study of patients who were evaluated while in atrial fibrillation and again during ...
... regularity of the cardiac cycle, especially when accompanied by short coupling intervals, and rapid heart rates in atrial fibrillation lead to a reduction in diastolic filling, stroke volume, and cardiac output. In a study of patients who were evaluated while in atrial fibrillation and again during ...
Myocardial ischemia and infarction
... reserve can be demonstrated by them Could be presupposed in IM not explaining the degree of LV failure Histopathology: loss of sarcomeres, SR etc. 2 hypotheses: - original authors: chronic resting hypoperfusion, adaptive lowering of O2 consumption - now: basal perfusion is OK, ↓coronary reserve. Per ...
... reserve can be demonstrated by them Could be presupposed in IM not explaining the degree of LV failure Histopathology: loss of sarcomeres, SR etc. 2 hypotheses: - original authors: chronic resting hypoperfusion, adaptive lowering of O2 consumption - now: basal perfusion is OK, ↓coronary reserve. Per ...
Tetralogy of Fallot with Anomalous Left Anterior Descending
... among children and young adults.1 The prevalence of congenital coronary anomalies has been estimated at approximately 0.85%-1% of general population and the incidence of coronary artery anomalies is 2% to 8% in patients with Fallot’s tetralogy.1,2,3,4,5 TOF is often lethal if untreated, it now has a ...
... among children and young adults.1 The prevalence of congenital coronary anomalies has been estimated at approximately 0.85%-1% of general population and the incidence of coronary artery anomalies is 2% to 8% in patients with Fallot’s tetralogy.1,2,3,4,5 TOF is often lethal if untreated, it now has a ...
Pulmonary Venous Anomalies
... Obstruction at the Interatrial Septum: Longevity in TAPVC depends on size of ASD. Restrictive ASDs associated with increased mortality. ...
... Obstruction at the Interatrial Septum: Longevity in TAPVC depends on size of ASD. Restrictive ASDs associated with increased mortality. ...
Chapter 15
... may make back-up copies for his/her own use only and not for distribution or resale. The Publishers assumes no responsibility for errors, omissions, or damages caused by the use of theses programs or from the use of the information herein. ...
... may make back-up copies for his/her own use only and not for distribution or resale. The Publishers assumes no responsibility for errors, omissions, or damages caused by the use of theses programs or from the use of the information herein. ...
ACCF/ACR/SCCT/SCMR/ ASNC/NASCI/SCAI/SIR Appropriateness
... CMR and related resources. Our approach is not to diminish the acknowledged ambiguity of clinical decision making for certain patients by statistical means or consensus techniques, but to recognize that real differences in clinical opinion can exist for particular patient presentation, especially in ...
... CMR and related resources. Our approach is not to diminish the acknowledged ambiguity of clinical decision making for certain patients by statistical means or consensus techniques, but to recognize that real differences in clinical opinion can exist for particular patient presentation, especially in ...
2006-2008
... that generally last a lifetime. Biological valves are made from tissue taken from pigs, cows or humans. Mechanical and biological valves each have advantages and disadvantages that can be discussed with referring physicians. The most common heart valve surgeries involve the aortic and mitral valves. ...
... that generally last a lifetime. Biological valves are made from tissue taken from pigs, cows or humans. Mechanical and biological valves each have advantages and disadvantages that can be discussed with referring physicians. The most common heart valve surgeries involve the aortic and mitral valves. ...
Many survivors of surgical correction for tetralogy might not get the
... valve it may become leaky over time. This may not be a problem for many years. The individual might not have any adverse effects until there is damage to the right ventricle. The right ventricle compensates for the increased back follow pressure by becoming enlarged with the extra work load. Over ti ...
... valve it may become leaky over time. This may not be a problem for many years. The individual might not have any adverse effects until there is damage to the right ventricle. The right ventricle compensates for the increased back follow pressure by becoming enlarged with the extra work load. Over ti ...
Implantable Cardioverter
... Some complications may occur after operation that will require medical ...
... Some complications may occur after operation that will require medical ...
Experimental Models of Heart Failure
... in this chapter. Besides some naturally occurring models, heart failure can be induced by acute or chronic coronary artery occlusion, coronary artery embolization, pressure overload (induced hypertrophy by aortic banding), volume overload (arterio-venous shunts), valvular disruption or tachycardia-i ...
... in this chapter. Besides some naturally occurring models, heart failure can be induced by acute or chronic coronary artery occlusion, coronary artery embolization, pressure overload (induced hypertrophy by aortic banding), volume overload (arterio-venous shunts), valvular disruption or tachycardia-i ...
AED Implementation Guide - CPR
... Make sure you have technical support when your AED device requires it. Call the manufacturer’s technical support number and see what kind of response you get. Is a representative available to help you right away? Are you on hold for a long time? Does your call go to voice mail? Also, be sure to rese ...
... Make sure you have technical support when your AED device requires it. Call the manufacturer’s technical support number and see what kind of response you get. Is a representative available to help you right away? Are you on hold for a long time? Does your call go to voice mail? Also, be sure to rese ...
Four-Chamber Heart Modeling and Automatic
... Abstract— We propose an automatic four-chamber heart segmentation system for the quantitative functional analysis of the heart from cardiac computed tomography (CT) volumes. Two topics are discussed: heart modeling and automatic model fitting to an unseen volume. Heart modeling is a non-trivial task ...
... Abstract— We propose an automatic four-chamber heart segmentation system for the quantitative functional analysis of the heart from cardiac computed tomography (CT) volumes. Two topics are discussed: heart modeling and automatic model fitting to an unseen volume. Heart modeling is a non-trivial task ...
Cardiovascular Defects Associated With Abnormalities in Midline
... Figure 2. Aortic arch abnormalities in Lp/Lp fetuses. There was hematoxylin and eosin staining of transverse sections of ⫹/⫹ (a) and Lp/Lp (b through d) fetuses at E13.5 and ink injections into the fetal vasculature of ⫹/⫹ (e) and Lp/Lp (f) fetuses at E15.5. a, Normal left-sided aortic arch (laa) in ...
... Figure 2. Aortic arch abnormalities in Lp/Lp fetuses. There was hematoxylin and eosin staining of transverse sections of ⫹/⫹ (a) and Lp/Lp (b through d) fetuses at E13.5 and ink injections into the fetal vasculature of ⫹/⫹ (e) and Lp/Lp (f) fetuses at E15.5. a, Normal left-sided aortic arch (laa) in ...
Border zone geometry increases wall stress after - AJP
... later group is attributed to postinfarction LV remodeling (15). Remodeled myocardium has recently been defined clinically and experimentally as a unique form of dysfunctional myocardium adjacent to an infarct that is normally perfused but hypocontractile. The postinfarction remodeling process causes ...
... later group is attributed to postinfarction LV remodeling (15). Remodeled myocardium has recently been defined clinically and experimentally as a unique form of dysfunctional myocardium adjacent to an infarct that is normally perfused but hypocontractile. The postinfarction remodeling process causes ...
Nonsurgical pulmonary valve replacement: Why, when, and how?
... outflow tract (RVOT) gradient with continuous-wave Doppler, and assessment of pulmonary regurgitation using color flow mapping and spectral Doppler analysis of the pulmonary regurgitation (PR) jet for pressure halftime, half-time index, and deceleration slope [49,50]. Despite this, there are limitatio ...
... outflow tract (RVOT) gradient with continuous-wave Doppler, and assessment of pulmonary regurgitation using color flow mapping and spectral Doppler analysis of the pulmonary regurgitation (PR) jet for pressure halftime, half-time index, and deceleration slope [49,50]. Despite this, there are limitatio ...
Developmental anatomy of the heart: a tale of
... plug is observed as embryonic day 0.5 (ED0.5 ; Ref. 34). Others, however, will consider this ED1.0. This obviously can lead to confusion, and more importantly, misinterpretation of data. Thus, when describing and comparing developmental events, it is very important to be very explicit about the stag ...
... plug is observed as embryonic day 0.5 (ED0.5 ; Ref. 34). Others, however, will consider this ED1.0. This obviously can lead to confusion, and more importantly, misinterpretation of data. Thus, when describing and comparing developmental events, it is very important to be very explicit about the stag ...
Title Atypical case of post-partum cardiomyopathy: an overlap
... Figure 2. Four-chamber view in diastole (left panel) and systole (right panel). The left ventricle has an apical aneurysm and multiple aneurysms and areas of dyskinesia in the right ventricular free wall are seen (arrowed). This cardiovascular magnetic resonance study had been undertaken 3 months fo ...
... Figure 2. Four-chamber view in diastole (left panel) and systole (right panel). The left ventricle has an apical aneurysm and multiple aneurysms and areas of dyskinesia in the right ventricular free wall are seen (arrowed). This cardiovascular magnetic resonance study had been undertaken 3 months fo ...
Acute Inferior Myocardial Infarction with Right Ventricular
... suprahisian escape rhythm. Extensive mirror image or reciprocal changes are registered across precordial leads (V1 to V6) , I and aVL. Therapeutic approach of RV myocardial infarction Volume resuscitation with saline solution is the therapeutic aim of maintaining pre-load based on prior studies. Thi ...
... suprahisian escape rhythm. Extensive mirror image or reciprocal changes are registered across precordial leads (V1 to V6) , I and aVL. Therapeutic approach of RV myocardial infarction Volume resuscitation with saline solution is the therapeutic aim of maintaining pre-load based on prior studies. Thi ...
Doppler Tissue Imaging for the Assessment of Left Ventricular
... mm Hg). E/E’ ratios between 8 and 15 obtained from the septal annulus have been reported to be less reliable for the estimation of LAP.3 Under these circumstances, the sonographer should ascertain other echocardiographic variables (ie, Valsalva maneuver, pulmonary vein-S/D ratio, pulmonary vein atri ...
... mm Hg). E/E’ ratios between 8 and 15 obtained from the septal annulus have been reported to be less reliable for the estimation of LAP.3 Under these circumstances, the sonographer should ascertain other echocardiographic variables (ie, Valsalva maneuver, pulmonary vein-S/D ratio, pulmonary vein atri ...
Electrophysiology Pacemaker Worksheet
... ____10. The paced interval and escape interval will not measure the same. Select the best answer. 1. A lead with a positive and a negative electrode at the distal tip of the pacing lead wire are called a. Unipolar electrodes b. Bipolar electrodes c. Dipolar electrodes 2. The placement of pacing lead ...
... ____10. The paced interval and escape interval will not measure the same. Select the best answer. 1. A lead with a positive and a negative electrode at the distal tip of the pacing lead wire are called a. Unipolar electrodes b. Bipolar electrodes c. Dipolar electrodes 2. The placement of pacing lead ...
Sinus Rhythms
... May be due to parasympathetic dominance at rest (i.e. “vagal tone”). Normal resting heart rate in trained athletes is often in this range. ...
... May be due to parasympathetic dominance at rest (i.e. “vagal tone”). Normal resting heart rate in trained athletes is often in this range. ...