Idiopathic ventricular tachycardia in children
... Idiopathic ventricular tachycardia in children: curative therapy with radiofrequency ablation was 5 years. In six children, ventricular tachycardia was found by electrocardiogram only performed as part of routine examination in outpatient clinic. Palpitation was the only complain in four children. ...
... Idiopathic ventricular tachycardia in children: curative therapy with radiofrequency ablation was 5 years. In six children, ventricular tachycardia was found by electrocardiogram only performed as part of routine examination in outpatient clinic. Palpitation was the only complain in four children. ...
From Frank-Starling relationships to ventriculo
... ventriculo-arterial coupling as assessed by single-beat determinations of Emax/Ea appeared to be well maintained in piglets with pulmonary arterial hypertension induced by 3 months systemic to pulmonary shunting [18]. Practically, all that is needed to determine single-beat Emax/Ea ratios is instant ...
... ventriculo-arterial coupling as assessed by single-beat determinations of Emax/Ea appeared to be well maintained in piglets with pulmonary arterial hypertension induced by 3 months systemic to pulmonary shunting [18]. Practically, all that is needed to determine single-beat Emax/Ea ratios is instant ...
临床医学英语Unit 12
... Figure A: The victim should be flat on his back and his mouth should be checked for debris. Figure B: If the victim is unconscious, open airway, lift neck, and tilt head back. Figure C: If victim is not breathing, begin artificial breathing with four quick full breaths. Figure D: Check for carotid p ...
... Figure A: The victim should be flat on his back and his mouth should be checked for debris. Figure B: If the victim is unconscious, open airway, lift neck, and tilt head back. Figure C: If victim is not breathing, begin artificial breathing with four quick full breaths. Figure D: Check for carotid p ...
Sudden Cardiac Death in the Young: A Strategy for Prevention by
... survival rates from out-of-hospital cardiac arrests are poor, primary prevention is key to reducing the burden of SCD in the community. Prominent causes of SCD include ischaemic heart disease, anomalous coronary arteries, and the primary myocardial diseases: hypertrophic cardiomyopathy, dilated card ...
... survival rates from out-of-hospital cardiac arrests are poor, primary prevention is key to reducing the burden of SCD in the community. Prominent causes of SCD include ischaemic heart disease, anomalous coronary arteries, and the primary myocardial diseases: hypertrophic cardiomyopathy, dilated card ...
Right Ventricular Pacing-Induced Heart Failure after Mitral Valve
... interventricular and intraventricular contractions.2,3 RV pacing propagates electrical signals through myocardium rather than through the His-Purkinje system. It produces a functional conduction delay comparable to left bundle branch block, which leads to dyssynchronous myocardial contraction and su ...
... interventricular and intraventricular contractions.2,3 RV pacing propagates electrical signals through myocardium rather than through the His-Purkinje system. It produces a functional conduction delay comparable to left bundle branch block, which leads to dyssynchronous myocardial contraction and su ...
Post-PCI Atrial Fibrillation: Possible Clinical and Prognostic
... decompensation is prominent, electrical cardioversion is indicated, beginning with 50–100 joules with gradual increase if the initial shock is not successful. When necessary, a beta-blocker can be used for rate control because of the combined effects of ischaemia and sympathetic tone which usually p ...
... decompensation is prominent, electrical cardioversion is indicated, beginning with 50–100 joules with gradual increase if the initial shock is not successful. When necessary, a beta-blocker can be used for rate control because of the combined effects of ischaemia and sympathetic tone which usually p ...
Post-myocardial infarction left ventricular remodelling and function in
... its most characteristic feature – it is a highly deleterious process and its intensity is significantly related to poor outcome (2). It has been characterised fairly well both in humans and animals, though it is still difficult to predict its eventual outcome, i.e. who develops heart failure and who ...
... its most characteristic feature – it is a highly deleterious process and its intensity is significantly related to poor outcome (2). It has been characterised fairly well both in humans and animals, though it is still difficult to predict its eventual outcome, i.e. who develops heart failure and who ...
Holter monitoring in the prognosis of sudden cardiac death
... additional features enabling evaluation of various diagnostic parameters such as ST segment changes, heart rate variability, heart rate turbulence, QT dynamicity and signal averaged ECG (1). These features may help physicians in further establishing risk assessment for sudden cardiac death (SCD). Th ...
... additional features enabling evaluation of various diagnostic parameters such as ST segment changes, heart rate variability, heart rate turbulence, QT dynamicity and signal averaged ECG (1). These features may help physicians in further establishing risk assessment for sudden cardiac death (SCD). Th ...
Gender Differences in Electrophysiological
... prolongation. We found an RBBB pattern of QRS in four male patients (13.3 %) and five female patients (7.9 %), which was not statistically significant. The QRS width was longer in men comparing to women (99.9±19.4 ms vs. 88.4±20.7 ms, p=0.02). The incidence of T-wave inversion in right precordial le ...
... prolongation. We found an RBBB pattern of QRS in four male patients (13.3 %) and five female patients (7.9 %), which was not statistically significant. The QRS width was longer in men comparing to women (99.9±19.4 ms vs. 88.4±20.7 ms, p=0.02). The incidence of T-wave inversion in right precordial le ...
Echocardiographic Diagnosis of Idiopathic
... trophic cardiomyopathy (HMC) and of 15 normal individuals. In patients with HMC, both end-diastolic and end-systolic volumes were relatively smaller than normal, but the difference was not statistically significant. The ejection fraction was significantly greater in HMC than in normal subjects (P < ...
... trophic cardiomyopathy (HMC) and of 15 normal individuals. In patients with HMC, both end-diastolic and end-systolic volumes were relatively smaller than normal, but the difference was not statistically significant. The ejection fraction was significantly greater in HMC than in normal subjects (P < ...
ABC of clinical electrocardiography Broad complex tachycardia—Part I
... It is important to scrutinise the tracings from all 12 leads of the electrocardiogram, as P waves may be evident in some leads but not in others ...
... It is important to scrutinise the tracings from all 12 leads of the electrocardiogram, as P waves may be evident in some leads but not in others ...
left ventricular mass index: a predictor of morbidity and mortality in
... to progressively increase with increases in blood pressure. Left ventricular mass is greater in those whose pressure does not fall during sleep because of a more persistent pressure load3. An increase in left ventricular mass predicts higher incidence of clinical events including death attributable ...
... to progressively increase with increases in blood pressure. Left ventricular mass is greater in those whose pressure does not fall during sleep because of a more persistent pressure load3. An increase in left ventricular mass predicts higher incidence of clinical events including death attributable ...
PoST MyoCArDIAL InFArCTIon LEFT VEnTrICuLAr DySFunCTIon
... target. Recently, it was demonstrated that post-MI patients with silent ischemia randomized to balloon-only percutaneous coronary intervention had markedly reduced cardiac events and a higher average LVEF through 10 years of follow-up versus medical management alone.9 In post-MI patients without ong ...
... target. Recently, it was demonstrated that post-MI patients with silent ischemia randomized to balloon-only percutaneous coronary intervention had markedly reduced cardiac events and a higher average LVEF through 10 years of follow-up versus medical management alone.9 In post-MI patients without ong ...
Contractile function of myocardium and pumping function
... undergo typical alterations, it is inevitable to apprehend the physiological course of pressure changes which impendingly coincide with the pumping activity of the heart. The record representing atrial pressure parameters displays three positive and two negative waves (see fig. 3.10 on page 102. The ...
... undergo typical alterations, it is inevitable to apprehend the physiological course of pressure changes which impendingly coincide with the pumping activity of the heart. The record representing atrial pressure parameters displays three positive and two negative waves (see fig. 3.10 on page 102. The ...
Pacemaker and arrhythmias in pediatric patients. An update
... University Department of Anesthesia and Intensive Care, University Hospital Ospedali Riuniti, Foggia, Italy Department of Anesthesia and Intensive Care, Casa Sollievo della Sofferenza Hospital, San Giovanni Rotondo (Foggia) ...
... University Department of Anesthesia and Intensive Care, University Hospital Ospedali Riuniti, Foggia, Italy Department of Anesthesia and Intensive Care, Casa Sollievo della Sofferenza Hospital, San Giovanni Rotondo (Foggia) ...
CHAPTER 6 - Bison Academy
... the length varies from either side of this length, the amount of force generated drops off significantly. This sarcomeric property is the basis for much of the volume dependence of the heart. At low volumes (low levels of sarcomere stretch) the heart can produce little pressure (smaller sarcomeric f ...
... the length varies from either side of this length, the amount of force generated drops off significantly. This sarcomeric property is the basis for much of the volume dependence of the heart. At low volumes (low levels of sarcomere stretch) the heart can produce little pressure (smaller sarcomeric f ...
Effect of Right Ventricular Pacing on Ventricular Rhythm During
... cular impulse. Theoretically, this may be possible in patients with a rapid ventricular response to atrial fibrillation and the proper relations between retrograde conduction times and junctional refractoriness because the postrefractory window for successful propagation would then be quite short. H ...
... cular impulse. Theoretically, this may be possible in patients with a rapid ventricular response to atrial fibrillation and the proper relations between retrograde conduction times and junctional refractoriness because the postrefractory window for successful propagation would then be quite short. H ...
Assessment of the Morphologic Right Ventricular Function after the
... Here we assessed the morphologic right ventricular dysfunction in an adult after a corrected transposition of the great arteries; this dysfunction was a result of morphologic tricuspid valve regurgitation. A 52-year-old man presented with dyspnoea on exertion. Echocardiography showed severe morpholo ...
... Here we assessed the morphologic right ventricular dysfunction in an adult after a corrected transposition of the great arteries; this dysfunction was a result of morphologic tricuspid valve regurgitation. A 52-year-old man presented with dyspnoea on exertion. Echocardiography showed severe morpholo ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... treatment for LV pseudoaneurysms11 in view of the rupture when the condition is left untreated 12,13. Post-infarction LV pseudoaneurysm is regarded as a surgical disease as recommended by ST-elevation myocardial infarction guidelines14. However, some studies found that death was not attributable to ...
... treatment for LV pseudoaneurysms11 in view of the rupture when the condition is left untreated 12,13. Post-infarction LV pseudoaneurysm is regarded as a surgical disease as recommended by ST-elevation myocardial infarction guidelines14. However, some studies found that death was not attributable to ...
Assessment of Diastolic Function in Heart Failure and Atrial Fibrillation
... LV. During mid-diastole there is equilibration of left ventricular and left atrial pressures, with a low velocity of forward flow as a result of inertial forces. Finally, at atrial contraction there is a re-acceleration of transmitral flow as left atrial pressure rises above left ventricular pressur ...
... LV. During mid-diastole there is equilibration of left ventricular and left atrial pressures, with a low velocity of forward flow as a result of inertial forces. Finally, at atrial contraction there is a re-acceleration of transmitral flow as left atrial pressure rises above left ventricular pressur ...
Acute Atrial Fibrillation as an Unusual Form of Cardiotoxicity
... taking lithium either takes an increased dosage for a period of time or develops decreased renal elimination of the drug.5 In the majority of LT cases, neurologic and gastrointestinal symptoms predominate including nystagmus, ataxia, tremors, nausea, vomiting,and diarrhea.2 Cardiac toxicity is unusu ...
... taking lithium either takes an increased dosage for a period of time or develops decreased renal elimination of the drug.5 In the majority of LT cases, neurologic and gastrointestinal symptoms predominate including nystagmus, ataxia, tremors, nausea, vomiting,and diarrhea.2 Cardiac toxicity is unusu ...
Echocardiographic Evaluation of Effects of Different Training
... Regular, hard and professional training regimens are accompanied with morphologic alteration and cardiac function which is known as “athlete’s heart”. (1-4). Athlete's heart is usually an incidental finding during a routine screening or during tests for other medical issues. An enlarged heart can be ...
... Regular, hard and professional training regimens are accompanied with morphologic alteration and cardiac function which is known as “athlete’s heart”. (1-4). Athlete's heart is usually an incidental finding during a routine screening or during tests for other medical issues. An enlarged heart can be ...
Effects of bisoprolol fumarate on left ventricular size, function, and
... effects of these agents on left ventricular mass, volume, and function. Most previous studies have been performed with metoprolol and carvedilol, but it is also unclear whether their effects can be generalized to all beta-blockers in patients with CHF. In addition, little is known about the effects ...
... effects of these agents on left ventricular mass, volume, and function. Most previous studies have been performed with metoprolol and carvedilol, but it is also unclear whether their effects can be generalized to all beta-blockers in patients with CHF. In addition, little is known about the effects ...
Afterload Reduction Therapy for Congestive Heart Failure
... elevated systemic vascu lar resistance , accompanied by the rise of low cardiac output and the fall of elevated pulmonary artery pressure, without substantial alterations in systemic arterial pressure and heart rate . The modern era of afterload reduction gained momentum following reports of simi la ...
... elevated systemic vascu lar resistance , accompanied by the rise of low cardiac output and the fall of elevated pulmonary artery pressure, without substantial alterations in systemic arterial pressure and heart rate . The modern era of afterload reduction gained momentum following reports of simi la ...
Function and form in the developing cardiovascular system
... The pacemaking activity is localized to the sino-atrial node, which starts to acquire its autonomic innervation pattern for neural modulation.46 The function of delay generation between the activation of atria and ventricles begins to shift from the slowly conducting myocardium of the atrioventricul ...
... The pacemaking activity is localized to the sino-atrial node, which starts to acquire its autonomic innervation pattern for neural modulation.46 The function of delay generation between the activation of atria and ventricles begins to shift from the slowly conducting myocardium of the atrioventricul ...
Ventricular fibrillation
Ventricular fibrillation (V-fib or VF) is a condition in which there is uncoordinated contraction of the cardiac muscle of the ventricles in the heart, making them quiver rather than contract properly. Ventricular fibrillation is the most commonly identified arrhythmia in cardiac arrest patients. While there is some activity, the lay person is usually unable to detect it by palpating (feeling) the major pulse points of the carotid and femoral arteries. Such an arrhythmia is only confirmed by electrocardiography. Ventricular fibrillation is a medical emergency that requires prompt Advanced Life Support interventions. If this arrhythmia continues for more than a few seconds, it will likely degenerate further into asystole (""flatline""). This condition results in cardiogenic shock and cessation of effective blood circulation. As a consequence, sudden cardiac death (SCD) will result in a matter of minutes. If the patient is not revived after a sufficient period (within roughly 5 minutes at room temperature), the patient could sustain irreversible brain damage and possibly become brain-dead, due to the effects of cerebral hypoxia. On the other hand, death often occurs if sinus rhythm is not restored within 90 seconds of the onset of VF, especially if it has degenerated further into asystole.