Left Ventricular Dysfunction Induced by Monomorphic Ventricular
... initially reported in association with incessant supraventricular tachycardia in children and adolescents,1 and later with atrial fibrillation.2 Less commonly ...
... initially reported in association with incessant supraventricular tachycardia in children and adolescents,1 and later with atrial fibrillation.2 Less commonly ...
The Role Of Renin Angiotensin System In Atrial Fibrillation
... to rising AF-related health care costs. There is experimental and clinical evidence from animal and human studies that suggests a role for the renin angiotensin system (RAS) in the etiopathogenesis of AF. This review appraises the current understanding of RAS antagonism, using angiotensin converting ...
... to rising AF-related health care costs. There is experimental and clinical evidence from animal and human studies that suggests a role for the renin angiotensin system (RAS) in the etiopathogenesis of AF. This review appraises the current understanding of RAS antagonism, using angiotensin converting ...
Atrial fibrillation and flutter
... Sotalol has combined β-blocking and class III activity. It causes proarrhythmia by causing abnormal ventricular repolarisation (seen as QT interval prolongation). This can lead to polymorphic ventricular tachycardia/sudden death. Proarrhythmia with sotalol is more common in women and in patients wit ...
... Sotalol has combined β-blocking and class III activity. It causes proarrhythmia by causing abnormal ventricular repolarisation (seen as QT interval prolongation). This can lead to polymorphic ventricular tachycardia/sudden death. Proarrhythmia with sotalol is more common in women and in patients wit ...
Full Text
... terminated. In our case, the interval between the first QRS complexes of VT and the last complex of AVNRT exceeded the interval presented between QRS complex during VT by 70 ms. This may support the former explanation. AVNRT also triggered VT shortly after its origin, so that ECG tracings at symptom ...
... terminated. In our case, the interval between the first QRS complexes of VT and the last complex of AVNRT exceeded the interval presented between QRS complex during VT by 70 ms. This may support the former explanation. AVNRT also triggered VT shortly after its origin, so that ECG tracings at symptom ...
Impaired left ventricular relaxation in hypertrophic
... 4hatt16ee stiffness (decreased compliance) . Impaired ventrict1,ar relaxation is often a more important cause of abnormal ...
... 4hatt16ee stiffness (decreased compliance) . Impaired ventrict1,ar relaxation is often a more important cause of abnormal ...
His Bundle Electrocardiography
... intermediate degrees of QRS distortion in the surface ECG, and were preceded by a His deflection at a short H-V time (fusion QRS complexes, F). The last systole occurred early, had a normal QRS morphology, and was preceded by a His potential with a normal H-V interval (capture, C). Note first QRS co ...
... intermediate degrees of QRS distortion in the surface ECG, and were preceded by a His deflection at a short H-V time (fusion QRS complexes, F). The last systole occurred early, had a normal QRS morphology, and was preceded by a His potential with a normal H-V interval (capture, C). Note first QRS co ...
Antiarrhythmic Drugs - LSU School of Medicine
... implanted in only a small proportion of these. Until these devices are made far cheaper, easier to implant, and more reliable than they are today (changes that would require dramatic—and thus unlikely— alterations in the business models of both the companies that make them and the doctors who implan ...
... implanted in only a small proportion of these. Until these devices are made far cheaper, easier to implant, and more reliable than they are today (changes that would require dramatic—and thus unlikely— alterations in the business models of both the companies that make them and the doctors who implan ...
Atrioventricular Conduction in Atrial Fibrillation: Pathophysiology
... hospitalization for heart failure, and stroke, systemic embolism, bleeding, and lifethreatening arrhythmic events. The duration of follow-up was at least 2 years, with a maximum of 3 years. The estimated cumulative incidence of the primary outcome at 3 years was 12.9% in the lenient-control group an ...
... hospitalization for heart failure, and stroke, systemic embolism, bleeding, and lifethreatening arrhythmic events. The duration of follow-up was at least 2 years, with a maximum of 3 years. The estimated cumulative incidence of the primary outcome at 3 years was 12.9% in the lenient-control group an ...
Cardiac Arrhythmias: Diagnosis and Management. The Tachycardias
... Data sources: Articles and published peer-review abstracts on tachycardias and bradycardias. Summary of review: Normal cardiac rhythm originates from impulses generated within the sinus node. These impulses are conducted to the atrioventricular node where they are delayed before they are distributed ...
... Data sources: Articles and published peer-review abstracts on tachycardias and bradycardias. Summary of review: Normal cardiac rhythm originates from impulses generated within the sinus node. These impulses are conducted to the atrioventricular node where they are delayed before they are distributed ...
West, 2006. Atrial Fibrillation, Arrhythmias and
... esophagus. These are extremely rare (I’ve seen very few of these potential problems), and they are easily resolved by either immediately reducing the dose or quitting the iodine. The greatest problem arises when an individual with a known allergy to iodine tries iodine therapy. This therapy cannot b ...
... esophagus. These are extremely rare (I’ve seen very few of these potential problems), and they are easily resolved by either immediately reducing the dose or quitting the iodine. The greatest problem arises when an individual with a known allergy to iodine tries iodine therapy. This therapy cannot b ...
Atrial Tachycardia - Thomas Jefferson University
... • Inherently unstable and converts to NSR or atrial fibrillation ...
... • Inherently unstable and converts to NSR or atrial fibrillation ...
Full Text:PDF - The Turkish Journal of Pediatrics
... with myocarditis or cardiomyopathy and causes heart failure11. Recurrence of ART is common, and patients are in need of oral antiarrhythmic medications to prevent further episodes of tachycardia 8,12. Amiodarone used alone or in combination with another antiarrhythmic drug is useful. ...
... with myocarditis or cardiomyopathy and causes heart failure11. Recurrence of ART is common, and patients are in need of oral antiarrhythmic medications to prevent further episodes of tachycardia 8,12. Amiodarone used alone or in combination with another antiarrhythmic drug is useful. ...
Nursing 259 - University of Hawaii
... Anticoagulate if over 48 hours duration Goal for chronic arrhythmia is to control ventricular rate Cardioversion less effective, if chronic – usually delayed if greater than 48 hours duration until anticoagulated and atrial thrombi excluded ...
... Anticoagulate if over 48 hours duration Goal for chronic arrhythmia is to control ventricular rate Cardioversion less effective, if chronic – usually delayed if greater than 48 hours duration until anticoagulated and atrial thrombi excluded ...
Diagnosis and Management of Common Types of
... tachycardia, and atrial tachycardia. Most persons with these tachyarrhythmias have structurally normal hearts. Sudden onset of an accelerated heart rate can cause palpitations, light-headedness, chest discomfort, anxiety, dyspnea, or fatigue. The history is important to elicit episodic symptoms beca ...
... tachycardia, and atrial tachycardia. Most persons with these tachyarrhythmias have structurally normal hearts. Sudden onset of an accelerated heart rate can cause palpitations, light-headedness, chest discomfort, anxiety, dyspnea, or fatigue. The history is important to elicit episodic symptoms beca ...
Pitfalls of Atrial Advancement Using a Ventricular Extra
... terminalis. This case demonstrated the importance of the ventricular pacing site corresponding to the AP location in order to evaluate the operative AP conduction. To improve the diagnostic utility of a single His-refractory VES during the tachycardia, the VES should be delivered to the ventricular ...
... terminalis. This case demonstrated the importance of the ventricular pacing site corresponding to the AP location in order to evaluate the operative AP conduction. To improve the diagnostic utility of a single His-refractory VES during the tachycardia, the VES should be delivered to the ventricular ...
ABC of clinical electrocardiography Broad complex tachycardia—Part I
... Duration and morphology of QRS complex In ventricular tachycardia the sequence of cardiac activation is altered, and the impulse no longer follows the normal intraventricular conduction pathway. As a consequence, the morphology of the QRS complex is bizarre, and the duration of the complex is prolon ...
... Duration and morphology of QRS complex In ventricular tachycardia the sequence of cardiac activation is altered, and the impulse no longer follows the normal intraventricular conduction pathway. As a consequence, the morphology of the QRS complex is bizarre, and the duration of the complex is prolon ...
Future Perspectives in the Pharmacological Treatment of Atrial
... QTc intervals before drug treatment compared to those who had a prolonged QTc [43]. D, L-sotalol should be avoided since it increases the incidence of Torsades de Pointes (TdP) arrhythmias in HF [44]. Antiarrhythmic compounds with selective IKr blocking properties (Class III effect) markedly prolong ...
... QTc intervals before drug treatment compared to those who had a prolonged QTc [43]. D, L-sotalol should be avoided since it increases the incidence of Torsades de Pointes (TdP) arrhythmias in HF [44]. Antiarrhythmic compounds with selective IKr blocking properties (Class III effect) markedly prolong ...
- SlideBoom
... resolved by restoring the balance of MAGNESIUM, CALCIUM and POTASSIUM within the body. The most effective treatment is the elimination of triggers particularly the cessation of the use of substances such as caffeine and certain drugs ...
... resolved by restoring the balance of MAGNESIUM, CALCIUM and POTASSIUM within the body. The most effective treatment is the elimination of triggers particularly the cessation of the use of substances such as caffeine and certain drugs ...
Ventricular Dysrhythmias (Fast and Easy ECGs, Shade / Wesley)
... appearance varies considerably from complex to complex. • Ventricular fibrillation (VF) results from chaotic firing of multiple sites in the ventricles causing the heart muscle to quiver rather than contracting efficiently, producing an absence of effective muscular contraction and cardiac ...
... appearance varies considerably from complex to complex. • Ventricular fibrillation (VF) results from chaotic firing of multiple sites in the ventricles causing the heart muscle to quiver rather than contracting efficiently, producing an absence of effective muscular contraction and cardiac ...
i. basic principles of cardiac conduction
... patients with reduced renal function who are taking diuretics. These patients are usually normo- or hypokalemic, have digoxin levels that are minimally increased or normal, and most commonly have a ventricular dysrhythmia. f. Classic clinical scenario (1) Acute intoxication: A 3-year-old is brough ...
... patients with reduced renal function who are taking diuretics. These patients are usually normo- or hypokalemic, have digoxin levels that are minimally increased or normal, and most commonly have a ventricular dysrhythmia. f. Classic clinical scenario (1) Acute intoxication: A 3-year-old is brough ...
Rhythm
... • may warn of or initiate supraventricular arrhythmias such as atrial tachycardia, atrial flutter, atrial fibrillation or PSVT • if nonconducted PACs are frequent and HR < 50, treat as bradycardia • PACs may be wide (aberrant conduction) and must be differentiated form PVCs ...
... • may warn of or initiate supraventricular arrhythmias such as atrial tachycardia, atrial flutter, atrial fibrillation or PSVT • if nonconducted PACs are frequent and HR < 50, treat as bradycardia • PACs may be wide (aberrant conduction) and must be differentiated form PVCs ...
Tachyarrhythmias
... • Monomorphic VT often implies heart disease, but can sometimes be seen in structurally “normal” hearts • Polymorphic VT can result from myoardial ischemia or conditions that prolong ventricular repolarization • Electrolyte derangements, hypoxemia and drug toxicity can cause PVC’s and VT ...
... • Monomorphic VT often implies heart disease, but can sometimes be seen in structurally “normal” hearts • Polymorphic VT can result from myoardial ischemia or conditions that prolong ventricular repolarization • Electrolyte derangements, hypoxemia and drug toxicity can cause PVC’s and VT ...
Idiopathic Ventricular Tachycardia: Transcatheter Ablation
... Introduction: Ventricular tachycardia or frequent premature ventricular contractions (PVCs) can occur in the absence of any detectable structural heart disease. In this clinical setting, these arrhythmias are termed idiopathic. Usually, they carry a benign prognosis and any potential ablative interv ...
... Introduction: Ventricular tachycardia or frequent premature ventricular contractions (PVCs) can occur in the absence of any detectable structural heart disease. In this clinical setting, these arrhythmias are termed idiopathic. Usually, they carry a benign prognosis and any potential ablative interv ...
THE ROLE OF MAGNESIUM IN CARDIAC ARRHYTHMIAS
... and prevention of the recurrence of arrhythmia (DECARLI et al. 1985, REINHART et al. 1991). ONALAN et al. (2007) carried out a meta-analysis of 12 randomized controlled trials, comparing intravenous magnesium versus placebo or antiarrhythmic agents for the acute management of rapid atrial fibrillati ...
... and prevention of the recurrence of arrhythmia (DECARLI et al. 1985, REINHART et al. 1991). ONALAN et al. (2007) carried out a meta-analysis of 12 randomized controlled trials, comparing intravenous magnesium versus placebo or antiarrhythmic agents for the acute management of rapid atrial fibrillati ...
Amiodarone
Amiodarone is a class III antiarrhythmic agent used for various types of cardiac dysrhythmias, both ventricular and atrial. It was discovered in 1961. Despite relatively common side-effects, it is used in arrhythmias that are otherwise difficult to treat with medication.