• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Left Ventricular Assist Devices
Left Ventricular Assist Devices

... Answer D. MAP = 0 mm Hg and pump stopped is an indication for CPR. Fluid bolus and device optimization should be attempted in patients with a low MAP. Absent pulses are common in patients with continuous flow LVADs. Patients who are unconscious do not necessarily need CPR. Cardiopulmonary resuscitat ...
Electrocardiography, Blood Pressure
Electrocardiography, Blood Pressure

... exceeds the arterial pressure. At this point, when the arterial pressure is at its lowest point during the cardiac cycle (called diastolic pressure) the semilunar valves are forced open, and blood flows into the artery. Blood entering the arterial system inflates the arteries a little and increases ...
Chapter_014 heart lecture
Chapter_014 heart lecture

... Mitral and tricuspid valves open. Blood moves from atria to ventricles (third heart sound). Ventricles dilate, an energy-requiring effort that draws blood into the ventricles as the atria contract, thereby moving blood from the atria to the ventricles. (Starling’s Law) Atria contract as ventricles a ...
Localization of precise origin of PVC and VT : ECG anatomic
Localization of precise origin of PVC and VT : ECG anatomic

... The mapping catheter is located underneath the LCC. RF energy should be delivered under continuous fluoroscopy to avoid coronary artery injury. (aortic cusp: 55 °C, 15~30 W, 120 s; LVOT below the aortic valve: 55 °C, 30~40 W, 120 s). Before application of RF energy at epicardial sites (irrigated tip ...
Video-assisted bilateral pulmonary vein isolation and left atrial
Video-assisted bilateral pulmonary vein isolation and left atrial

... obtained on the remaining 27 patients from office visits, medical records, telephone calls to the patients, and records from cardiology visits. Patient age ranged from 23 to 79 years (mean, 57.2 years), and the mean follow-up time for the 27-patient cohort presented herein is currently (as of Octobe ...
Lecture 8 - Harper College
Lecture 8 - Harper College

... -Preload - blood flow force that stretches the ventricle - Contractility - force of ventricular contraction - Afterload - Resistance to vent. ejection of blood caused by opposing pressures in aorta & systemic circulation • Specific drugs can or preload & afterload, affecting both SV & CO - most ...
Determination of reference values for tricuspid annular plane
Determination of reference values for tricuspid annular plane

... capacity, mean right atrial pressure, and survival in children with pulmonary hypertension (27). Reference TAPSE values are required in order to predict prognosis in children with congenital heart defects before and after surgery and in patients with pulmonary hypertension and left heart disorders. ...
Hypoplastic left heart - British Heart Foundation
Hypoplastic left heart - British Heart Foundation

... Your baby will be given a general anaesthetic. The Norwood procedure is an open-heart operation where the heart is stopped and the function of the heart is taken over by a heart-lung machine. The aim of the operation is to use the right ventricle to pump blood into the aorta. To do this, the surgeon ...
Chapter 13-cardiac 檔案
Chapter 13-cardiac 檔案

... Electric activity generated in nervous or muscle tissue spreads through the body because body fluids function as conductors  the more synchronized the activity, the larger the amplitude of signals that are recorded at a distance from the source ...
The Impact of Fetal Echocardiography on Outcome of Patients with
The Impact of Fetal Echocardiography on Outcome of Patients with

... cardiac malformations), or as any complex congenital heart defect with pulmonary atresia [1]. The fetus with such congenital heart defects develops normally intrauterine because of the existence of intracardiac shunts at two important levels: ductus arteriosus and interatrial septum. These patients ...
Coronary Slow Flow Phenomenon and Atrioventricular Block: A
Coronary Slow Flow Phenomenon and Atrioventricular Block: A

... cholesterol levels among their patients with the CSFP. The authors also stated that the body mass index was higher and the metabolic syndrome was more frequent in their CSFP subjects than in their control group. In a case-series, Azzarelli et al.6 reported that their CSFP patients often presented wi ...
Audio-Visual Based Recognition of Auscultatory Heart Sounds with
Audio-Visual Based Recognition of Auscultatory Heart Sounds with

... and these results are shown in Figs. 4(a) and (b). Clear signal images for S1 and S2 can be seen; the amplitude of S1 is larger than that of S2 at the apex, while S1 and S2 are approximately the same amplitude at the LSB of the 4th rib. This is a typical heart sound described as a "lub-dup," and the ...
Colour M-mode velocity propagation
Colour M-mode velocity propagation

... in white bars. Ventricular interdependence is considered as a potential form of dyssynergy, coronary engorgement as an epi-pericardial feature, and therefore none of both are depicted. ...
Teaching Rounds in Cardiac Electrophysiology
Teaching Rounds in Cardiac Electrophysiology

... 3, Figure 2) and successful ablation will depend on which side of the septum the AP is located. The narrow QRS in lead V1 in the presence of preexcitation indicates a mitral annular location. Additionally, the right bundle branch block pattern during sinus rhythm in both of our cases indicates the v ...
Twenty-five years` experience of modified Lecompte procedure for
Twenty-five years` experience of modified Lecompte procedure for

... with VSD and pulmonary stenosis, and have reported its effectiveness and early to midterm results.12-14 In this study, we evaluated the long-term results of the Lecompte procedure to help optimal selection among variable surgical options, because there is much debate on the best operation of this an ...
Mitral and Tricuspid Annular Velocities in Constrictive Pericarditis
Mitral and Tricuspid Annular Velocities in Constrictive Pericarditis

... M E T H O D S Thirty-seven patients with CP, 35 patients with RCM, and 70 normal controls were evaluated with echocardiography including SE=, LE=, and RE=. In CP, the maximal pericardial thicknesses on both left and right ventricle were measured by computed tomography. R E S U L T S Mean LE=/SE= (ra ...
experimental studies on the circulatory system of the late chick embryo
experimental studies on the circulatory system of the late chick embryo

... Nylon is slightly permeable to oxygen, but the amount of oxygen which could enter a blood sample under experimental conditions was calculated from the permeability data for the type of nylon used and found to be negligible. Moreover, unoxidized pyrogallol stored in such cannulae was not visibly dark ...
Performa - National Intervention Council
Performa - National Intervention Council

... centre during 1st January 2016 to 31st December 2016. 2. Send your completely filled up forms by post to below address: Dr. (Prof) N N Khanna Chairman, National Intervention Council, CSI C/o. JVS Group A-401, Ganesh Plaza, Nr. Navrangpura Post Office, Navrangpura, Ahmedabad – 380009 (Gujarat) 3. You ...
cyanotic congenital heart disease - MEDICINE hack
cyanotic congenital heart disease - MEDICINE hack

...  Symptomatic with cyanosis at birth mostly or later.  Dyspnea on exertion & exercise intolerance.  Squatting in hypoxic spell – noted commonly in TOF  Infant with acyanotic TOF - may be asymptomatic.  Severe cyanosis at birth –TOF with pulmonary atresia  Hypoxic spell- hyperpnea, irritability, ...
Leiomyosarcoma of the Inferior Vena Cava - Heart
Leiomyosarcoma of the Inferior Vena Cava - Heart

... inferior vena cava by the tumour itself existed during pregnancy, and that the occlusion was aggravated by the pressure of the pregnant uterus, which also added to the volume of the venous return proximal to the obstruction. These factors were relieved by the delivery which thus resulted in symptoma ...
Heart Failure with Preserved Ejection Fraction
Heart Failure with Preserved Ejection Fraction

... Years backwards, the treatment of the heart failure was directed towards treatment of systolic dysfunction [3]. Historically viewed, a systolic dysfunction with EF < 45% was considered for heart failure. In line with Roelandt, the first association between myocardial relaxation and ventricular funct ...
SCI 30 UA CH 1.1 TEXT - Fort Saskatchewan High
SCI 30 UA CH 1.1 TEXT - Fort Saskatchewan High

... partitioned by a thick wall called the septum. The smaller top two chambers are the left atrium and right atrium, together called atria. The bottom two pointed chambers are the left ventricle and right ventricle. The left ventricle is slightly bigger in size because its job is to pump oxygen-rich bl ...
Plasma Levels of Nitric Oxide in Children with
Plasma Levels of Nitric Oxide in Children with

... The data were analyzed using SPSS 11.5 computer software for Windows. The correlation between total plasma NO-related compounds level and other parameters were assessed using Pearson’s correlation ...
Slide 1
Slide 1

... side. Patients with large hearts and arrhythmias such as a fib are conscious of the heart action while lying on the left, therefore they prefer to sleep on their right side. ...
Functional mitral regurgitation in patients with heart failure and
Functional mitral regurgitation in patients with heart failure and

... EROA of greater than 20 mm2 or R Vol of greater than 30 ml is considered severe per the 2014 ACC/ AHA guidelines and is associated with an increased risk of cardiovascular events [2 ,28,29]. Other useful parameters on echocardiography include LV ejection fraction, wall motion abnormalities, coaptati ...
< 1 ... 80 81 82 83 84 85 86 87 88 ... 495 >

Lutembacher's syndrome



Lutembacher's syndrome is a form of congenital heart disease. Lutembacher's syndrome was first described by a French cardiologist by the name of Rene' Lutembacher (1884–1968) of Paris, France in 1916. Lutembacher syndrome is a rare disease that affects one of the chambers of the heart as well as a valve of the heart. Lutembacher's syndrome is known to affect females more often than males. Lutembacher is an extremely rare disease. Lutembacher's can affect children or adults; the person can either be born with the disorder or develop it later in life.Lutembacher affects more specifically the atria of the heart and the mitral or biscupid valve. The disorder itself is known more specifically as both congenital atrial septal defect (ASD) and acquired mitral stenosis (MS). Congenital (at birth) atrial septal defect refers to a hole being in the septum or wall that separates the two atria; this condition is usually seen in fetuses and infants. Mitral stenosis refers to mitral valve leaflets (or valve flaps) sticking to each other making the opening for blood to pass from the atrium to the ventricles very small. With the valve being so small, blood has difficulty passing through the left atrium into the left ventricle. There are several types of septal defects that may occur with Lutembacher's syndrome: ASD Ostium Secundum or ASD (Primium); Ostium Secundum is the most prevalent.Lutembacher is caused indirectly as the result of heart damage or disorders and not something that is necessarily infectious. Lutembacher's syndrome is caused by either birth defects where the heart fails to close all holes in the walls between the atria or from an episode of rheumatic fever where damage is done to the heart valves such as the mitral valve and resultant in an opening of heart wall between atria. With Lutembacher's syndrome, a fetus or infant is usually seen to have a hole in their heart wall (interatrial) separating their right and left atria. Normally during fetal development, blood bypasses the lungs and is oxygenated from the placenta. Blood passes from the umbilical cord and flows into the left atrium through an opening called the foramen ovale; the formaen ovale is a hole between the two atria. Once a baby is born and the lungs begin to fill with air and the blood flow of the heart changes, a tissue flap (somewhat like a trap door) called the septum primium closes the foramen ovale or hole between the two atria and becomes part of the atrial wall. The failure of the hole between the two atria to close after birth leads to a disorder called ASD primium. The most common problems with an opening found in the heart with Lutembacher's syndrome is Ostium Secundum. Ostium Secundum is a hole that is found within the flap of tissue (septum primium) that will eventually close the hole between the two atria after birth. With either type of ASD, ASD will usually cause the blood flow from the right atrium to skip going to the right ventricle and instead flow to the left atrium. If mitral stenosis (the hardening of flap of tissue known as a valve which opens and closes between the left atrium and ventricle to control blood flow) is also present, blood will flow into the right atrium through the hole between the atria wall instead of flowing into the left ventricle and systemic circulation. Eventually this leads to other problems such as the right ventricle failing and a reduced blood flow to the left ventricle.In addition to the ASD, acquired MS can be present either from an episode of rheumatic fever (the mother has or had rheumatic fever during the pregnancy) or the child being born with the disorder (congenital MS). With the combination of both ASD and MS, the heart can be under severe strain as it tries to move blood throughout the heart and lungs. To correct Lutembacher's syndrome, surgery is often done. There are several types of surgeries depending on the cause of Lutembacher's syndrome(ASD Primium or ASD Ostium Secundum with Mitral Stenosis): Suturing (stitching) or placing a patch of tissue (similar to skin grafting) over the hole to completely close the opening Reconstructing of the mitral and tricuspid valve while patching any holes in the heart Device closure of ASD (e.g. Amplatzer umbrella or CardioSEAL to seal the hole Percutaneous transcatheter therapy Transcatheter therapy of balloon valvuloplasty to correct MS↑ ↑ 2.0 2.1 2.2 2.3 2.4 ↑ 3.0 3.1 3.2 3.3 3.4 ↑ ↑ ↑ 6.0 6.1 6.2 6.3 ↑
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report