WIDE QRS TACHYCARDIA DR ANKUR
... • When preceding RR interval is short, subsequent RP of bundle branch is short so an early beat will found both recovered and conducted normally. • While AF, marked sinus arrhythmia, blocked atrial extrasystole there is sudden prolongation of ensuing RP. This may result in delay or block in conducti ...
... • When preceding RR interval is short, subsequent RP of bundle branch is short so an early beat will found both recovered and conducted normally. • While AF, marked sinus arrhythmia, blocked atrial extrasystole there is sudden prolongation of ensuing RP. This may result in delay or block in conducti ...
PDF - Romanian Journal of Cardiology
... LV function as assessed by transthoracic echocardiography correlated with a greater risk of sudden cardiac death or life-threatening ventricular arrhythmias.40 This finding was independent of QRS prolongation and appears to be an additional risk predictor for this patient population. In a large mult ...
... LV function as assessed by transthoracic echocardiography correlated with a greater risk of sudden cardiac death or life-threatening ventricular arrhythmias.40 This finding was independent of QRS prolongation and appears to be an additional risk predictor for this patient population. In a large mult ...
Document
... skeleton of heart, the AV node provides only pathway for depolarizations to flow from atria to ventricles. • E. The AV bundle or bundle of His develops from a ringlike cluster of cells found at the AV ...
... skeleton of heart, the AV node provides only pathway for depolarizations to flow from atria to ventricles. • E. The AV bundle or bundle of His develops from a ringlike cluster of cells found at the AV ...
WPW and Preexcitation Syndromes
... 1. During incremental rapid atrial pacing or atrial stimulation with progressively premature extrastimuli, the QRS widens and the HV interval shortens, while the His- bundle depolarization moves into the QRS complex. 2. The stimulus to the onset of the delta wave generally remains constant, althou ...
... 1. During incremental rapid atrial pacing or atrial stimulation with progressively premature extrastimuli, the QRS widens and the HV interval shortens, while the His- bundle depolarization moves into the QRS complex. 2. The stimulus to the onset of the delta wave generally remains constant, althou ...
CARDIAC BIOMARKERS: PAST, PRESENT AND FUTURE
... collagen synthesis may also be deleterious to cardiac function because the resultant excessive fibrosis can impair ventricular function. The propeptide procollagen type I is a serum biomarker of collagen biosynthesis. Querejeta et al [41] observed a positive correlation between the serum level of pr ...
... collagen synthesis may also be deleterious to cardiac function because the resultant excessive fibrosis can impair ventricular function. The propeptide procollagen type I is a serum biomarker of collagen biosynthesis. Querejeta et al [41] observed a positive correlation between the serum level of pr ...
Cardiology
... Prognostic/predictive value of Stress echo or MPS • A stress echo or MPS has a sensitivity of 80-95% in detecting flow limiting CAD • A normal stress echo yields an annual risk of 0.40.9%, implying excellent prognosis and v low rate of events, even without revascularization • In patients with ische ...
... Prognostic/predictive value of Stress echo or MPS • A stress echo or MPS has a sensitivity of 80-95% in detecting flow limiting CAD • A normal stress echo yields an annual risk of 0.40.9%, implying excellent prognosis and v low rate of events, even without revascularization • In patients with ische ...
Free PDF - European Review for Medical and
... and related costs of patients with HF are very high, and it becomes one of the major problems of society3. Although big progress has been made in diagnosis and management of CHF, long-term prognosis is still not optimistic. Many studies show that early diagnosis and accurate judgement of severity of ...
... and related costs of patients with HF are very high, and it becomes one of the major problems of society3. Although big progress has been made in diagnosis and management of CHF, long-term prognosis is still not optimistic. Many studies show that early diagnosis and accurate judgement of severity of ...
Electrocardiographic Changes in Infectious Diseases
... poor R-wave progression, and prolonged QTc interval. An asymptomatic prolonged QTc interval is associated Dr. Nalmas is a fellow, Dr. Slim is an attending physician, Dr. Abter is the Infectious Diseases Fellowship Program Director, and Dr. Bishburg is Chief; all are at the Division of Infectious Dis ...
... poor R-wave progression, and prolonged QTc interval. An asymptomatic prolonged QTc interval is associated Dr. Nalmas is a fellow, Dr. Slim is an attending physician, Dr. Abter is the Infectious Diseases Fellowship Program Director, and Dr. Bishburg is Chief; all are at the Division of Infectious Dis ...
Nonlinear oscillator model reproducing various phenomena in the
... the action potentials of the nodes, and y i are the currents acting on these nodes. Our modification does not change the structure of the phase space of the system: in the phase space of the system, there will always be an unstable focus, a stable node, and a saddle.12 Note that if e and d have oppo ...
... the action potentials of the nodes, and y i are the currents acting on these nodes. Our modification does not change the structure of the phase space of the system: in the phase space of the system, there will always be an unstable focus, a stable node, and a saddle.12 Note that if e and d have oppo ...
The small giraffe heart normalises ventricular wall tension, but
... shape of a thick-walled cylinder, the principle of Laplace states that the mechanical stress exerted on the myocardial wall is proportional to left ventricular pressure (LVP) and its midwall radius (r), ...
... shape of a thick-walled cylinder, the principle of Laplace states that the mechanical stress exerted on the myocardial wall is proportional to left ventricular pressure (LVP) and its midwall radius (r), ...
Cardiac (Heart) Transplantation
... used for patients with refractory end-stage cardiac disease. In the United States, approximately 5.8 million people have heart failure and 300,000 die each year from this condition. The reduction of cardiac output is considered to be severe when systemic circulation cannot meet the body’s needs unde ...
... used for patients with refractory end-stage cardiac disease. In the United States, approximately 5.8 million people have heart failure and 300,000 die each year from this condition. The reduction of cardiac output is considered to be severe when systemic circulation cannot meet the body’s needs unde ...
Arrhythmia Monitoring Arrhythmia Monitoring
... QTC >500 ms is dangerous; consider stopping the drug to prevent TdP ...
... QTC >500 ms is dangerous; consider stopping the drug to prevent TdP ...
Understanding your child`s heart Large ventricular septal defect
... successful and carries a very low risk of death. There are small risks of complications such as brain damage, kidney damage, damage to the heart’s electrical system (which may need treatment with a pacemaker), or serious lung infections such as pneumonia. It is not unusual for there to be still a sm ...
... successful and carries a very low risk of death. There are small risks of complications such as brain damage, kidney damage, damage to the heart’s electrical system (which may need treatment with a pacemaker), or serious lung infections such as pneumonia. It is not unusual for there to be still a sm ...
The formation and function of the cardiac conduction system
... myocardial cells of the primitive tube are automatic (i.e. they spontaneously depolarize), slowly conduct the electrical impulse, and have underdeveloped sarcomeres and sarcoplasmic reticulum, leading to poor contraction properties. Dominant automaticity (i.e. pacemaker activity) is located caudally ...
... myocardial cells of the primitive tube are automatic (i.e. they spontaneously depolarize), slowly conduct the electrical impulse, and have underdeveloped sarcomeres and sarcoplasmic reticulum, leading to poor contraction properties. Dominant automaticity (i.e. pacemaker activity) is located caudally ...
Primary Prevention of Sudden Cardiac Death in Patients with Heart
... Despite improvements in survival after diagnosis of chronic Heart Failure (HF) in recent years [1], mortality remains high. A large US study recently reported a one-year mortality rate of 30% [1] and a systematic review demonstrated that five-year mortality is higher after diagnosis of HF than for e ...
... Despite improvements in survival after diagnosis of chronic Heart Failure (HF) in recent years [1], mortality remains high. A large US study recently reported a one-year mortality rate of 30% [1] and a systematic review demonstrated that five-year mortality is higher after diagnosis of HF than for e ...
ECG in Ventricular arrhythmias
... ventricular rate exceeds 100 beats/minute VT is an extremely unstable rhythm. It can occur in short, paroxysmal bursts lasting fewer than 30 seconds and causing few or no symptoms. Alternatively, it can be sustained, requiring immediate treatment to prevent death, even in patients initially able to ...
... ventricular rate exceeds 100 beats/minute VT is an extremely unstable rhythm. It can occur in short, paroxysmal bursts lasting fewer than 30 seconds and causing few or no symptoms. Alternatively, it can be sustained, requiring immediate treatment to prevent death, even in patients initially able to ...
IOSR Journal of Computer Engineering (IOSRJCE)
... epicardium and ventricles helps to detect any deformities and thus could indicate the on-setting of rejection. This segmentation can be performed manually by experts, but it is a time consuming process, and may delay the detection of rejection at a crucial stage. The manually performed segmentation ...
... epicardium and ventricles helps to detect any deformities and thus could indicate the on-setting of rejection. This segmentation can be performed manually by experts, but it is a time consuming process, and may delay the detection of rejection at a crucial stage. The manually performed segmentation ...
Conducting tissue of the heart in kwashiorkor
... The conducting tissue of the heart was examined histologically in 7 cases of kwashiorkor. Atrophic changes were found, and in 5 cases myocytolysis was present. No cellular reaction or fibrous repair was found in relation to the areas of myocytolysis. These findings may be associated with a disturban ...
... The conducting tissue of the heart was examined histologically in 7 cases of kwashiorkor. Atrophic changes were found, and in 5 cases myocytolysis was present. No cellular reaction or fibrous repair was found in relation to the areas of myocytolysis. These findings may be associated with a disturban ...
Increased heart rate as a risk factor for cardiovascular disease
... rate,17 may be of particular importance as antiischaemic agents, and they have potential utility in reducing morbidity and mortality in cardiovascular disorders that are characterized by sustained increases in heart rate. In the present paper the clinical settings in which increased heart rate may b ...
... rate,17 may be of particular importance as antiischaemic agents, and they have potential utility in reducing morbidity and mortality in cardiovascular disorders that are characterized by sustained increases in heart rate. In the present paper the clinical settings in which increased heart rate may b ...
Conducting tissue of the heart in kwashiorkor - Heart
... The conducting tissue of the heart was examined histologically in 7 cases of kwashiorkor. Atrophic changes were found, and in 5 cases myocytolysis was present. No cellular reaction or fibrous repair was found in relation to the areas of myocytolysis. These findings may be associated with a disturban ...
... The conducting tissue of the heart was examined histologically in 7 cases of kwashiorkor. Atrophic changes were found, and in 5 cases myocytolysis was present. No cellular reaction or fibrous repair was found in relation to the areas of myocytolysis. These findings may be associated with a disturban ...
Larger Cell Size in Rabbits With Heart Failure Increases Myocardial
... Background—Patients with heart failure (HF) have an increased QRS duration, usually attributed to decreased conduction velocity (CV) due to ionic remodeling but which may alternatively result from increased heart size or cellular uncoupling. We investigated the relationship between QRS width, heart ...
... Background—Patients with heart failure (HF) have an increased QRS duration, usually attributed to decreased conduction velocity (CV) due to ionic remodeling but which may alternatively result from increased heart size or cellular uncoupling. We investigated the relationship between QRS width, heart ...
- South African Heart Association
... After 2 and half year of existence, the South African Society for Cardiovascular Research (SASCAR) is privileged to participate, for the third time, in the SA Heart meeting that will be held in Sun City in July 2012. Members of SASCAR will have the opportunity to attend an exciting basic science pro ...
... After 2 and half year of existence, the South African Society for Cardiovascular Research (SASCAR) is privileged to participate, for the third time, in the SA Heart meeting that will be held in Sun City in July 2012. Members of SASCAR will have the opportunity to attend an exciting basic science pro ...
heart association
... After 2 and half year of existence, the South African Society for Cardiovascular Research (SASCAR) is privileged to participate, for the third time, in the SA Heart meeting that will be held in Sun City in July 2012. Members of SASCAR will have the opportunity to attend an exciting basic science pro ...
... After 2 and half year of existence, the South African Society for Cardiovascular Research (SASCAR) is privileged to participate, for the third time, in the SA Heart meeting that will be held in Sun City in July 2012. Members of SASCAR will have the opportunity to attend an exciting basic science pro ...
Image Quality Recovery in Cardiac CT Angiography
... example, a systolic phase may be needed to adequately visualize the right coronary artery but may not be acceptable for the left coronary arteries, which require a diastolic phase. In this case, reconstruct both phases so that the interpreting physician may use the best phase for each specific coron ...
... example, a systolic phase may be needed to adequately visualize the right coronary artery but may not be acceptable for the left coronary arteries, which require a diastolic phase. In this case, reconstruct both phases so that the interpreting physician may use the best phase for each specific coron ...
ECG basics
... gain control. If the waveform appears too high or too low on the screen, adjust the position dial. Verify that the monitor detects each heartbeat by comparing the patient’s apical rate with the rate displayed on the monitor. Set the upper and lower limits of the heart rate according to your facility ...
... gain control. If the waveform appears too high or too low on the screen, adjust the position dial. Verify that the monitor detects each heartbeat by comparing the patient’s apical rate with the rate displayed on the monitor. Set the upper and lower limits of the heart rate according to your facility ...