Control of Cardiac Rate by “Funny” Channels in Health and Disease
... where myocytes spontaneously fire regular and repetitive action potentials, thus determining the rate of contraction of the whole heart. Spontaneous activity relies on the presence of the slow depolarization that develops during diastole and drives the membrane potential to firing threshold. Several ...
... where myocytes spontaneously fire regular and repetitive action potentials, thus determining the rate of contraction of the whole heart. Spontaneous activity relies on the presence of the slow depolarization that develops during diastole and drives the membrane potential to firing threshold. Several ...
Trisomy 18 Facts
... some role in this but are usually not the only cause of this increased mortality. Important and common birth defects seen in Trisomy 18: Congenital heart defects 90% ...
... some role in this but are usually not the only cause of this increased mortality. Important and common birth defects seen in Trisomy 18: Congenital heart defects 90% ...
CARDIAC RESYNCHRONISATION THERAPY IN HEART FAILURE
... to optimal medical therapy compared to optimal medical therapy alone. Based on these evidences, CRT is currently indicated (Class IIa ACC/AHA/NASPE Guidelines, see Table 1) for patients with symptomatic HF (NYHA III-IV) despite optimal medical therapy, due to dilated cardiomyopathy of any etiology ( ...
... to optimal medical therapy compared to optimal medical therapy alone. Based on these evidences, CRT is currently indicated (Class IIa ACC/AHA/NASPE Guidelines, see Table 1) for patients with symptomatic HF (NYHA III-IV) despite optimal medical therapy, due to dilated cardiomyopathy of any etiology ( ...
English
... Fig. 3 - Right cardiac catheterization with atriography and ventriculography showing marked dilation of the chambers and tricuspid regurgitation. ...
... Fig. 3 - Right cardiac catheterization with atriography and ventriculography showing marked dilation of the chambers and tricuspid regurgitation. ...
Is diastolic heart failure synonyms with heart failure with
... of the JACC, he raises three important issues: 1) some patients with diastolic heart failure do not have left ventricular (LV) hypertrophy; 2) the diagnosis of diastolic heart failure should exclude patients with noncardiac (such as pulmonary disease) and other cardiac (such as mitral stenosis, regu ...
... of the JACC, he raises three important issues: 1) some patients with diastolic heart failure do not have left ventricular (LV) hypertrophy; 2) the diagnosis of diastolic heart failure should exclude patients with noncardiac (such as pulmonary disease) and other cardiac (such as mitral stenosis, regu ...
Architecture of fibers of the working myocardium and
... in subendocardial and intramural myocardial layers. From multiple intramural foci of depolarization the excitation wave spreads successively. The multi-focused excitation of heart ventricles in pig results in depolarization of myocardium during a short time period. The excitation wave in the intramu ...
... in subendocardial and intramural myocardial layers. From multiple intramural foci of depolarization the excitation wave spreads successively. The multi-focused excitation of heart ventricles in pig results in depolarization of myocardium during a short time period. The excitation wave in the intramu ...
World Heart Day - ESL Holiday Lessons
... Its aim is to inform people around the world that heart disease and stroke are the world’s leader / leading causes of death. Over 17 million people die each year from they / these. Another main aim is to educate the world population that 80 per cent of deaths from / of heart disease are premature. M ...
... Its aim is to inform people around the world that heart disease and stroke are the world’s leader / leading causes of death. Over 17 million people die each year from they / these. Another main aim is to educate the world population that 80 per cent of deaths from / of heart disease are premature. M ...
Love is Conflict
... There are three visual artifacts that best illustrate the concept of love being conflict. The first is the symbol of the heart (Figure 2), a very common and familiar visual artifact that is widely used. The second visual artifact is the three of swords in a deck of tarot cards (Figure 3). Finally, ...
... There are three visual artifacts that best illustrate the concept of love being conflict. The first is the symbol of the heart (Figure 2), a very common and familiar visual artifact that is widely used. The second visual artifact is the three of swords in a deck of tarot cards (Figure 3). Finally, ...
Cardiac remodelling: general aspects and
... The two major structures that modulate the intracellular concentration of Ca2+, the sarcolemma (SL) and the sarcoplasmic reticulum (SR), also exhibit alterations in cardiac remodelling (44). In physiological conditions, the excitation-contraction process is activated after a small quantity of Ca2+ i ...
... The two major structures that modulate the intracellular concentration of Ca2+, the sarcolemma (SL) and the sarcoplasmic reticulum (SR), also exhibit alterations in cardiac remodelling (44). In physiological conditions, the excitation-contraction process is activated after a small quantity of Ca2+ i ...
Intraventricular Pressure Gradients in Heart Failure
... The present study showed that diastolic IVPGs, a marker of normal ventricular filling, and systolic IVPGs, a marker of normal ventricular emptying, are abolished in failing hearts. Previously, we demonstrated that diastolic and systolic IVPGs are modulated by physiological nonuniformity between basa ...
... The present study showed that diastolic IVPGs, a marker of normal ventricular filling, and systolic IVPGs, a marker of normal ventricular emptying, are abolished in failing hearts. Previously, we demonstrated that diastolic and systolic IVPGs are modulated by physiological nonuniformity between basa ...
A Method for Determining Left Ventricular Mass in Man
... that is representative or has a relatively constant relation to the thickness of the ventricle as a whole. A segment of the free left ventricutlar wall as visualized on the anteroposterior film was selected, because this is the portion of the ventricular wall that is most often clearly seen and can ...
... that is representative or has a relatively constant relation to the thickness of the ventricle as a whole. A segment of the free left ventricutlar wall as visualized on the anteroposterior film was selected, because this is the portion of the ventricular wall that is most often clearly seen and can ...
Dispersion of QT interval in premature ventricular beats
... Background Clinical observations indicate that increased QT interval dispersion in sinus beats may portend malignant ventricular arrhythmias and sudden cardiac death. The purpose of this study was to test the hypothesis that measures of QT dispersion in ventricular premature beats (QTd-V) may be als ...
... Background Clinical observations indicate that increased QT interval dispersion in sinus beats may portend malignant ventricular arrhythmias and sudden cardiac death. The purpose of this study was to test the hypothesis that measures of QT dispersion in ventricular premature beats (QTd-V) may be als ...
Chemistry Problem Solving Drill
... The patients with TOF is typically a blue baby. There is usually a history of exercise intolerance and squatting during childhood. Worsening cyanosis also occurs during exercise because of the associate systemic vasodilation and increased right to left shunt. Physical examination reveals cyanosis an ...
... The patients with TOF is typically a blue baby. There is usually a history of exercise intolerance and squatting during childhood. Worsening cyanosis also occurs during exercise because of the associate systemic vasodilation and increased right to left shunt. Physical examination reveals cyanosis an ...
GIANT Flutter Waves in ECG Lead V1: a Marker of Pulmonary
... pattern has not been investigated and reported on. To determine if giant F waves in V1 provide any insight into the presence/type/absence of specific underlying cardiac pathology, the history of 6 consecutive patients with giant F waves was reviewed. Upon review, the only factor common to each patie ...
... pattern has not been investigated and reported on. To determine if giant F waves in V1 provide any insight into the presence/type/absence of specific underlying cardiac pathology, the history of 6 consecutive patients with giant F waves was reviewed. Upon review, the only factor common to each patie ...
Seattle Public Schools AED Program
... we do a history and physical. The problem is that we still miss the majority of kids who have a problem. Most don’t have warning signs. If they do, they think it is a normal side effect of exercising.” In 2011, more than 27 medical facilities in the Puget Sound region provided volunteers to help wit ...
... we do a history and physical. The problem is that we still miss the majority of kids who have a problem. Most don’t have warning signs. If they do, they think it is a normal side effect of exercising.” In 2011, more than 27 medical facilities in the Puget Sound region provided volunteers to help wit ...
GIANT Flutter Waves in ECG Lead V1: a Marker of Pulmonary
... pattern has not been investigated and reported on. To determine if giant F waves in V1 provide any insight into the presence/type/absence of specific underlying cardiac pathology, the history of 6 consecutive patients with giant F waves was reviewed. Upon review, the only factor common to each patie ...
... pattern has not been investigated and reported on. To determine if giant F waves in V1 provide any insight into the presence/type/absence of specific underlying cardiac pathology, the history of 6 consecutive patients with giant F waves was reviewed. Upon review, the only factor common to each patie ...
ICU management: special cases of cardiogenic shock.
... Cardiogenic shock not quickly reversed with pharmacologic therapy as a stabilizing measure for angiography and prompt revascularization Recurrent ischemic-type chest discomfort and hemodynamic instability, poor LV function, or a large area of myocardium at risk ...
... Cardiogenic shock not quickly reversed with pharmacologic therapy as a stabilizing measure for angiography and prompt revascularization Recurrent ischemic-type chest discomfort and hemodynamic instability, poor LV function, or a large area of myocardium at risk ...
Sleep-Related Breathing Disorders Are Associated With Ventricular
... which are known to be associated with surges in BP and presumably in sudden increase in catecholamine secretion. However, arousals provoked by intrinsic respiratory stimuli during CSR have relatively little effect on BP and heart rate.24 The present article provides more specific information regardi ...
... which are known to be associated with surges in BP and presumably in sudden increase in catecholamine secretion. However, arousals provoked by intrinsic respiratory stimuli during CSR have relatively little effect on BP and heart rate.24 The present article provides more specific information regardi ...
Dissection and Contraction of Frog Heart
... make you familiar with the general anatomy and comfortable with the preparation of the animal. Do not cut or remove any organs other than the skin and some of the ribs covering the heart. 2. To expose the heart, make sure to remove the lower and middle sections of the rib cage as they will interfere ...
... make you familiar with the general anatomy and comfortable with the preparation of the animal. Do not cut or remove any organs other than the skin and some of the ribs covering the heart. 2. To expose the heart, make sure to remove the lower and middle sections of the rib cage as they will interfere ...
Cardiac screening examination of the fetus
... be mistaken for a pericardial effusion. An isolated finding of this type usually represents a normal variation34,35 . Cardiac rate and regular rhythm should be confirmed. The normal rate ranges from 120 to 160 beats per minute. Mild bradycardia is transiently observed in normal second-trimester fetu ...
... be mistaken for a pericardial effusion. An isolated finding of this type usually represents a normal variation34,35 . Cardiac rate and regular rhythm should be confirmed. The normal rate ranges from 120 to 160 beats per minute. Mild bradycardia is transiently observed in normal second-trimester fetu ...
You`ve Got to Have Heart
... The purpose of this exercise is to allow youth to simulate blood flow as detailed in the worksheets “Blood Pathway Diagram” and “Map the Heart Activity Diagram.” Youth will pick up oxygen from the shoe box in the lungs and move to the heart. From there, carrying their oxygen, they will move out to t ...
... The purpose of this exercise is to allow youth to simulate blood flow as detailed in the worksheets “Blood Pathway Diagram” and “Map the Heart Activity Diagram.” Youth will pick up oxygen from the shoe box in the lungs and move to the heart. From there, carrying their oxygen, they will move out to t ...
Nonselective beta-adrenergic blocking agent, carvedilol
... Ambulatory electrocardiogram monitoring. Patients underwent 24-h Holter monitoring using a three-channel Oxford recorder (Oxford Medical Instruments, United Kingdom). All tapes were analyzed using the Oxford Excell II Holter system for QRS labeling and arrhythmia detection. The tapes were manually r ...
... Ambulatory electrocardiogram monitoring. Patients underwent 24-h Holter monitoring using a three-channel Oxford recorder (Oxford Medical Instruments, United Kingdom). All tapes were analyzed using the Oxford Excell II Holter system for QRS labeling and arrhythmia detection. The tapes were manually r ...
Electrophysiology Heart Study - EPS -
... The feeling of strong or forceful heart beats. The heart beats are usually fast or irregular. Sudden Cardiac Death (SCD) ...
... The feeling of strong or forceful heart beats. The heart beats are usually fast or irregular. Sudden Cardiac Death (SCD) ...
Chapter 18: Cardiovascular System (Anatomy)
... less effective pump so more blood remains in ventricle ...
... less effective pump so more blood remains in ventricle ...