Print - Circulation
... failed to occur in at least 85% of treadmill tests performed in patients with ASHD and previously demonstrated "malignant" ventricular arrhythmias (three fourths were sustained VT or NF)47'48; although significant ST depression occurred in 10% of such tests, there were no associated episodes of sust ...
... failed to occur in at least 85% of treadmill tests performed in patients with ASHD and previously demonstrated "malignant" ventricular arrhythmias (three fourths were sustained VT or NF)47'48; although significant ST depression occurred in 10% of such tests, there were no associated episodes of sust ...
Summer 2013
... additional medical resources to explain what happened. At first I was diagnosed with RVOT. My MRI was fine, my echo showed a bicuspid valve and a slight enlargement of the right ventricle but nothing to worry about, or so I was told. I showed a little period of V-Tac in the stress test, the experts ...
... additional medical resources to explain what happened. At first I was diagnosed with RVOT. My MRI was fine, my echo showed a bicuspid valve and a slight enlargement of the right ventricle but nothing to worry about, or so I was told. I showed a little period of V-Tac in the stress test, the experts ...
Lazarus A. Remote, wireless, ambulatory monitoring of implantable
... legal issues. In parallel with their increasing use, devices are also incorporating more refined and complex features, which, unless regularly interrogated and reset, lose their diagnostic or therapeutic usefulness and pertinence. In addition, a high proportion of remediable adverse events are undet ...
... legal issues. In parallel with their increasing use, devices are also incorporating more refined and complex features, which, unless regularly interrogated and reset, lose their diagnostic or therapeutic usefulness and pertinence. In addition, a high proportion of remediable adverse events are undet ...
Analysis of Left Ventricular Function
... the single left anterior oblique was 55.8 i 13.0 (SD) while that for biplane cineangiography was 60 i 13.9, and the values with the scintiphotographic methods were 55.7 ± 16 with the standard method and 55.2 ± 13 with the semi-automatic technique. These values were not significantly different from e ...
... the single left anterior oblique was 55.8 i 13.0 (SD) while that for biplane cineangiography was 60 i 13.9, and the values with the scintiphotographic methods were 55.7 ± 16 with the standard method and 55.2 ± 13 with the semi-automatic technique. These values were not significantly different from e ...
Interventions for Clients with Dysrhythmias
... rapid ventricular response, the goals of treatment are to decrease the ventricular response, convert the dysrhythmia to a sinus rhythm, and treat the cause. Vagal stimulation (e.g., carotid massage) may be successful, but often only transiently, and must be performed ...
... rapid ventricular response, the goals of treatment are to decrease the ventricular response, convert the dysrhythmia to a sinus rhythm, and treat the cause. Vagal stimulation (e.g., carotid massage) may be successful, but often only transiently, and must be performed ...
Emergency defibrillation performed by coronary nursing staff: a pilot
... rapid defibrillation as the single most important therapy for pulseless VT or VF.2,4-6 A prolonged delay in initiating defibrillation is a significant factor in defibrillation failure.7,8 Myocardial energy stores of adenosine triphosphate have been shown to decline in a nonlinear fashion with increa ...
... rapid defibrillation as the single most important therapy for pulseless VT or VF.2,4-6 A prolonged delay in initiating defibrillation is a significant factor in defibrillation failure.7,8 Myocardial energy stores of adenosine triphosphate have been shown to decline in a nonlinear fashion with increa ...
PATHOPHYSIOLOGY OF HEART FAILURE
... Pressure – volume loops recorded under different conditions ...
... Pressure – volume loops recorded under different conditions ...
Cardiac Troponin T and Cardiac Enzymes After External
... have been developed with high sensitivity, specificity, and positive predictive value for myocardial cell necrosis.3 No, or only minor, increases in cardiac troponin I levels4,5 and no increases in cardiac troponin T (cTnT) levels after ECV for atrial fibrillation and atrial flutter have been report ...
... have been developed with high sensitivity, specificity, and positive predictive value for myocardial cell necrosis.3 No, or only minor, increases in cardiac troponin I levels4,5 and no increases in cardiac troponin T (cTnT) levels after ECV for atrial fibrillation and atrial flutter have been report ...
Adding IV Amiodarone to the EMS Algorithm for Cardiac Arrest Due
... fibrillation and hemodynamically unstable ventricular tachycardia in patients refractory to other therapy. IV amiodarone can also be used to treat patients with VT/VF for whom oral amiodarone is indicated, but who are unable to take oral medication. IV amiodarone is contraindicated in patients with ...
... fibrillation and hemodynamically unstable ventricular tachycardia in patients refractory to other therapy. IV amiodarone can also be used to treat patients with VT/VF for whom oral amiodarone is indicated, but who are unable to take oral medication. IV amiodarone is contraindicated in patients with ...
![Arq Bras Cardiol [2011] - Arquivos Brasileiros de Cardiologia](http://s1.studyres.com/store/data/001547081_1-0e7adbb02f88870274512c2c41ebb421-300x300.png)
Arq Bras Cardiol [2011] - Arquivos Brasileiros de Cardiologia
... in a decisive way to these symptoms2. The electrocardiographic findings are often abnormal, but no specific change was identified7. The abnormalities that can be described are, basically, branch blocks and arrhythmias, such as atrial fibrillation and ventricular tachycardia. A possible association w ...
... in a decisive way to these symptoms2. The electrocardiographic findings are often abnormal, but no specific change was identified7. The abnormalities that can be described are, basically, branch blocks and arrhythmias, such as atrial fibrillation and ventricular tachycardia. A possible association w ...
Role of Atrial Fibrillation and Atrioventricular Conduction
... described in previous studies (15-17) was used. The electrocardiogram was recorded on magnetic tape using the Iimb lead or one of the precordial leads with the tallest R wave for QRS detection and computation of the RR intervals. The electrocardiograms were always recorded with the patient in the su ...
... described in previous studies (15-17) was used. The electrocardiogram was recorded on magnetic tape using the Iimb lead or one of the precordial leads with the tallest R wave for QRS detection and computation of the RR intervals. The electrocardiograms were always recorded with the patient in the su ...
Basic life support - Advanced Life Support Group
... To summarise therefore: The energy dose for a child in a shockable cardiac arrest rhythm is 4J/kg at all ages Paediatric attenuated devices should be used if possible in children less than 8 years. An unattenuated AED can be used to treat a child of between 1 and 8 years if necessary if no pae ...
... To summarise therefore: The energy dose for a child in a shockable cardiac arrest rhythm is 4J/kg at all ages Paediatric attenuated devices should be used if possible in children less than 8 years. An unattenuated AED can be used to treat a child of between 1 and 8 years if necessary if no pae ...
Adrenaline
... General Considerations In children arrhythmias are more often the consequence of hypoxaemia, acidosis and hypotension Primary cardiac diseases are rare Monitoring cardiac rythm is mandatory in advanced life support to evaluate cardiac function and response to therapy ...
... General Considerations In children arrhythmias are more often the consequence of hypoxaemia, acidosis and hypotension Primary cardiac diseases are rare Monitoring cardiac rythm is mandatory in advanced life support to evaluate cardiac function and response to therapy ...
Ideal Ventricular Assist Device
... develops, with consequent restriction of ventricular filling, ventricular end-diastolic pressure elevate as do pulmonary or systemic venous pressure, depending on which ventricle is involved • Involvement of AV valves then adds valvar regurgitation to the already impaired hemodynamic state • Endomyo ...
... develops, with consequent restriction of ventricular filling, ventricular end-diastolic pressure elevate as do pulmonary or systemic venous pressure, depending on which ventricle is involved • Involvement of AV valves then adds valvar regurgitation to the already impaired hemodynamic state • Endomyo ...
The T wave: physiology and pathophysiology Meijborg, VMF
... effects on AP duration, and thus on repolarization.15 Chapter 3 will deal with the effect of the normal left ventricular (LV) pressure pulse on the repolarization in early- and late-activated myocardium. It discusses the relevance of physiological LV pressure in the repolarization process within the ...
... effects on AP duration, and thus on repolarization.15 Chapter 3 will deal with the effect of the normal left ventricular (LV) pressure pulse on the repolarization in early- and late-activated myocardium. It discusses the relevance of physiological LV pressure in the repolarization process within the ...
The Pacmaker document
... A cardiac Pacemaker is an implanted device that assists cardiac functions when the underlying pathologies make the intrinsic heartbeats low. The Pacemaker runs in either a programming mode or in one of operational modes. During programming, the programmer specifies the type of the operation mode in ...
... A cardiac Pacemaker is an implanted device that assists cardiac functions when the underlying pathologies make the intrinsic heartbeats low. The Pacemaker runs in either a programming mode or in one of operational modes. During programming, the programmer specifies the type of the operation mode in ...
Arrhythmic risk stratification of post–myocardial infarction patients
... evaluating frequency and complexity of premature ventricular contractions, detected on Holter monitoring, often in association with determination of percent ejection fraction. This methodology has been proven to be limited and fallacious according to the Cardiac Arrhythmia Suppression Trial I and II ...
... evaluating frequency and complexity of premature ventricular contractions, detected on Holter monitoring, often in association with determination of percent ejection fraction. This methodology has been proven to be limited and fallacious according to the Cardiac Arrhythmia Suppression Trial I and II ...
P05 - Center for heart failure research
... Methods and Results: To elucidate the actions of myocardial CTGF and its putative role in HF transgenic mice with cardiac-restricted overexpression of CTGF were generated. Transgenic CTGF (Tg-CTGF) mice had slightly lower cardiac mass than that of non-transgenic littermate controls (NLC) (heart weig ...
... Methods and Results: To elucidate the actions of myocardial CTGF and its putative role in HF transgenic mice with cardiac-restricted overexpression of CTGF were generated. Transgenic CTGF (Tg-CTGF) mice had slightly lower cardiac mass than that of non-transgenic littermate controls (NLC) (heart weig ...
Electro Cardio Gram “MCQ”
... the followings are correct EXCEPT: a- (A) extrasystole: abnormal P wave, normal QRS and may be followed by compensatory pause. b- (A) tachycardia: paroxymal rapid and irregular rate (150200 b/min). c- (A) flutter: saw tooth waves associated with partial AV block. d- (A) fibrillation: absence of P wa ...
... the followings are correct EXCEPT: a- (A) extrasystole: abnormal P wave, normal QRS and may be followed by compensatory pause. b- (A) tachycardia: paroxymal rapid and irregular rate (150200 b/min). c- (A) flutter: saw tooth waves associated with partial AV block. d- (A) fibrillation: absence of P wa ...
a sudden death following cardiomyopathy in a child
... congestion. Other organs were unremarkable. The cause of death was ascertained as acute cardiac failure following cardiomyopathy. DISCUSSION Cardiomyopathy is a clinically heterogeneous disease in which myocardium itself is structurally and functionally abnormal6. In paediatric population, 40% of ch ...
... congestion. Other organs were unremarkable. The cause of death was ascertained as acute cardiac failure following cardiomyopathy. DISCUSSION Cardiomyopathy is a clinically heterogeneous disease in which myocardium itself is structurally and functionally abnormal6. In paediatric population, 40% of ch ...
Acute coronary syndromes and atrial fibrillation
... fibrillation increases with age, from <0.5% at 40 to 50 years old, up to 5% to 15% at 80 years old. Men suffer more often than women from atrial fibrillation. It is estimated that more than 8 million patients over 80 years old will be affected by atrial fibrillation in 2050. Atrial fibrillation is a ...
... fibrillation increases with age, from <0.5% at 40 to 50 years old, up to 5% to 15% at 80 years old. Men suffer more often than women from atrial fibrillation. It is estimated that more than 8 million patients over 80 years old will be affected by atrial fibrillation in 2050. Atrial fibrillation is a ...
Prognostic value of T peak-to-end Interval for risk stratification after
... arrhythmogenesis in different cardiac diseases, such as the Brugada, short QT, long QT syndromes, and Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT).(1) Numerous studies (2,3) have highlighted the heterogeneity that exists among the cells that comprise ventricular myocardium, demonstra ...
... arrhythmogenesis in different cardiac diseases, such as the Brugada, short QT, long QT syndromes, and Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT).(1) Numerous studies (2,3) have highlighted the heterogeneity that exists among the cells that comprise ventricular myocardium, demonstra ...
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.