Reply to “Letter to the editor: `The role of short QT - AJP
... the potential role of reduced cytosolic ATP (derived from glucose and glycogen) in explaining shortening of the QT interval (through activation of the ATP-sensitive K⫹ channel) as well as elevations in end-diastolic pressure (through reduced sarcoplasmic reticulum Ca2⫹ uptake and increased cytosolic ...
... the potential role of reduced cytosolic ATP (derived from glucose and glycogen) in explaining shortening of the QT interval (through activation of the ATP-sensitive K⫹ channel) as well as elevations in end-diastolic pressure (through reduced sarcoplasmic reticulum Ca2⫹ uptake and increased cytosolic ...
document
... • Sinoatrial node sets the heart’s tempo or beat rate • Also called the pacemaker • Initiates the heartbeat and automatically sends out an excitation impulse every 0.85 seconds causing atria to contract • NOTE: when the SA node malfunctions the heart still beats due to AV nodal tissue but the beat i ...
... • Sinoatrial node sets the heart’s tempo or beat rate • Also called the pacemaker • Initiates the heartbeat and automatically sends out an excitation impulse every 0.85 seconds causing atria to contract • NOTE: when the SA node malfunctions the heart still beats due to AV nodal tissue but the beat i ...
Auscultation: Lungs, Heart, GI Tract
... • Arrhythmias are disturbances in the normal heart rhythm • Regularly irregular • Bradycardia • Tachycardia • Premature ventricular contractions located in a single foci • Sinus bradycardia ...
... • Arrhythmias are disturbances in the normal heart rhythm • Regularly irregular • Bradycardia • Tachycardia • Premature ventricular contractions located in a single foci • Sinus bradycardia ...
Summer 2013
... uncontrollable heart rhythm. I have learned to explain my disease as simply as possible, however people still look at me as if I am going to pass out or die at any second. This is what I don’t appreciate. This disease has been a bigger impact on my psychological well being than my physical. Many peo ...
... uncontrollable heart rhythm. I have learned to explain my disease as simply as possible, however people still look at me as if I am going to pass out or die at any second. This is what I don’t appreciate. This disease has been a bigger impact on my psychological well being than my physical. Many peo ...
the cardiovascular system: the heart
... What is an electrocardiogram? Impulse conduction through the heart generates electrical currents that can be detected at the body surface. A recording of the electrical changes that accompany each cardiac cycle is called an electrocardiogram (ECG). The ECG is a composite of action potentials produce ...
... What is an electrocardiogram? Impulse conduction through the heart generates electrical currents that can be detected at the body surface. A recording of the electrical changes that accompany each cardiac cycle is called an electrocardiogram (ECG). The ECG is a composite of action potentials produce ...
Cardiovascular Anatomy Physiology
... About two‐thirds of the atrial blood flows passively from the atria into the ventricles. When atrial contraction occurs, the atrial blood is pushed down into the ventricles. This atrial contribution is called atrial kick and accounts for approximately thirty percent of the cardiac output (Lippinco ...
... About two‐thirds of the atrial blood flows passively from the atria into the ventricles. When atrial contraction occurs, the atrial blood is pushed down into the ventricles. This atrial contribution is called atrial kick and accounts for approximately thirty percent of the cardiac output (Lippinco ...
Public Access Defibrillation Programs: Improving Outcomes Worldwide
... emergency medical services arrival.10 The authors postulate that improved emergency medical services care can improve the outcomes of the targeted PAD program, again stressing the importance of strengthening all links of the chain. The third area of improvement identified by the study is postarrest c ...
... emergency medical services arrival.10 The authors postulate that improved emergency medical services care can improve the outcomes of the targeted PAD program, again stressing the importance of strengthening all links of the chain. The third area of improvement identified by the study is postarrest c ...
Is prevention of sudden cardiac death feasible?
... sudden death has long been an aspiration in HCM. Early experiences with pharmacologic strategies demonstrated that drugs (e.g., amiodarone) are not absolutely protective against sudden death. Based on recent substantial experience, the ICD has now proved to be a safe and the only effective therapeut ...
... sudden death has long been an aspiration in HCM. Early experiences with pharmacologic strategies demonstrated that drugs (e.g., amiodarone) are not absolutely protective against sudden death. Based on recent substantial experience, the ICD has now proved to be a safe and the only effective therapeut ...
finger pulse rate measurement using a low-cost microcontroller
... rate of a healthy adult [1] at rest is around 72 beats per minute (bpm). Athletes normally have lower heart rates than less active people. Babies have a much higher heart rate at around 120 bpm, while older children have heart rates at around 90 bpm. The heart rate rises gradually during exercises [ ...
... rate of a healthy adult [1] at rest is around 72 beats per minute (bpm). Athletes normally have lower heart rates than less active people. Babies have a much higher heart rate at around 120 bpm, while older children have heart rates at around 90 bpm. The heart rate rises gradually during exercises [ ...
Atropine-resistant bradycardia due to hyperkalaemia (PDF
... These include both tachycardia and bradycardia and also idioventricular rhythm, heart block and a pseudo-infarction pattern with massive ST segment elevation.1 2 Life-threatening hyperkalaemia causing profound bradycardia can appear to resemble complete heart block (as in case ...
... These include both tachycardia and bradycardia and also idioventricular rhythm, heart block and a pseudo-infarction pattern with massive ST segment elevation.1 2 Life-threatening hyperkalaemia causing profound bradycardia can appear to resemble complete heart block (as in case ...
Common Arrhythmias
... serious. Atrial fibrillareenters the atria by circling back through the tion, though, may be AV node. Or the impulse more of a health risk— may follow an abnormal especially when linked route (bypass tract) with heart disease. through the heart. Often a problem in the heart’s electrical system • Atr ...
... serious. Atrial fibrillareenters the atria by circling back through the tion, though, may be AV node. Or the impulse more of a health risk— may follow an abnormal especially when linked route (bypass tract) with heart disease. through the heart. Often a problem in the heart’s electrical system • Atr ...
“ Catheter ablation of VT in patients with a structural heart disease
... Ventricular Tachycardia Ablation in Coronary Heart Disease VTACH ...
... Ventricular Tachycardia Ablation in Coronary Heart Disease VTACH ...
Atrial Fibrillation
... (flecainide, propafenone), and class III (amiodarone, sotalol, dofetilide), class I associated with increase mortality. ► Amiodarone is the most effective agent and can be used in the setting of LV dysfunction, CAD, LVH…etc. However, it has a lot of side effects (pulmonary, thyroid…etc). ► Sotalol l ...
... (flecainide, propafenone), and class III (amiodarone, sotalol, dofetilide), class I associated with increase mortality. ► Amiodarone is the most effective agent and can be used in the setting of LV dysfunction, CAD, LVH…etc. However, it has a lot of side effects (pulmonary, thyroid…etc). ► Sotalol l ...
Implantable Cardioverter-Defibrillator
... • Alterations in the normal sequence of atrial and ventricular filling and contraction can result in deterioration of hemodynamics and subsequent symptoms at rest, during exercise, or both. • In persons who have light-headedness, syncopal spells, shortness of breath, and more rarely chest pain or ot ...
... • Alterations in the normal sequence of atrial and ventricular filling and contraction can result in deterioration of hemodynamics and subsequent symptoms at rest, during exercise, or both. • In persons who have light-headedness, syncopal spells, shortness of breath, and more rarely chest pain or ot ...
ECG Rhythm
... depolarization • QRS - Ventricular depolarization • T wave - Ventricular repolarization For more presentations www.medicalppt.blogspot.com ...
... depolarization • QRS - Ventricular depolarization • T wave - Ventricular repolarization For more presentations www.medicalppt.blogspot.com ...
Utilization of Fosphenytoin for Digoxin-Induced
... digoxin toxicity, there are more specifically associated arrhythmias, including bidirectional ventricular tachycardia usually resulting from an alteration of the intraventricular conduction pathway. Furthermore, ventricular ectopy may be more common in those patients with preexisting heart disease, ...
... digoxin toxicity, there are more specifically associated arrhythmias, including bidirectional ventricular tachycardia usually resulting from an alteration of the intraventricular conduction pathway. Furthermore, ventricular ectopy may be more common in those patients with preexisting heart disease, ...
Continuous Atrial Rate Monitoring for Atrial Rate Variability
... SD when appropriate. The significance of the correlation coefficient was analyzed by the linear fitting method, which use the linear least squares fitting. The difference between the SDNN determined for the PPand that determined for the RR-intervals was assessed with a two-sided paired test. P-value ...
... SD when appropriate. The significance of the correlation coefficient was analyzed by the linear fitting method, which use the linear least squares fitting. The difference between the SDNN determined for the PPand that determined for the RR-intervals was assessed with a two-sided paired test. P-value ...
Update on Global Heart Failure Program
... the funding requirements for the program. The growing body of clinical evidence validates our strong conviction in the potential of our product candidate MPC-150-IM to change the way that advanced heart failure is treated. We thank our partner Teva for having brought our Phase 3 heart failure progra ...
... the funding requirements for the program. The growing body of clinical evidence validates our strong conviction in the potential of our product candidate MPC-150-IM to change the way that advanced heart failure is treated. We thank our partner Teva for having brought our Phase 3 heart failure progra ...
Biventricular pacing - Health Care Visions, Ltd.
... Patients with heart failure, who have a poor ejection fraction, are at risk for life-threatening arrhythmias and would benefit from these dual devices. Conduction delays Patients with systolic heart failure often display significant intraventricular or interventricular conduction delays. Normally, b ...
... Patients with heart failure, who have a poor ejection fraction, are at risk for life-threatening arrhythmias and would benefit from these dual devices. Conduction delays Patients with systolic heart failure often display significant intraventricular or interventricular conduction delays. Normally, b ...
Principles of Isolated Heart Perfusion
... dependent on the donor, heart rate (pacing), oxygen delivery and work output. Physiologically normal perfusion pressures of 80-100mm Hg as in blood-perfused hearts are not used in salineperfused hearts due to enhanced edema and potential valve damage. The heart will stabilize rapidly and most experi ...
... dependent on the donor, heart rate (pacing), oxygen delivery and work output. Physiologically normal perfusion pressures of 80-100mm Hg as in blood-perfused hearts are not used in salineperfused hearts due to enhanced edema and potential valve damage. The heart will stabilize rapidly and most experi ...
Can you believe THIS is math?
... Your heart is a muscular organ that pumps blood around your body. When your heart contracts (pumps), it forces blood into the arteries (tubes that carry blood from your heart to all parts of the body). Each time the heart beats, the artery walls expand and contract, moving blood around your body, an ...
... Your heart is a muscular organ that pumps blood around your body. When your heart contracts (pumps), it forces blood into the arteries (tubes that carry blood from your heart to all parts of the body). Each time the heart beats, the artery walls expand and contract, moving blood around your body, an ...
Familial Incidence of Atrial Septal Defect
... showed a ventricular septal defect (VSD) and pulmonary stenosis, respectively, as associated defects. In our series ASD was the only defect (Table 1). The fifth sibling who died at two years of age in congestive heart failure had in all likelihood a complex heart abnormality. This is believed to be ...
... showed a ventricular septal defect (VSD) and pulmonary stenosis, respectively, as associated defects. In our series ASD was the only defect (Table 1). The fifth sibling who died at two years of age in congestive heart failure had in all likelihood a complex heart abnormality. This is believed to be ...