CHADs2VASC
... bleeding events between VKA or aspirin.2 Even in lowrisk subjects with AF, aspirin may be no better than control for reducing TE events, with a tendency to more adverse effects (especially bleeding) with aspirin.3 The risk of stroke and TE in AF is not homogeneous, and various clinical and echocardi ...
... bleeding events between VKA or aspirin.2 Even in lowrisk subjects with AF, aspirin may be no better than control for reducing TE events, with a tendency to more adverse effects (especially bleeding) with aspirin.3 The risk of stroke and TE in AF is not homogeneous, and various clinical and echocardi ...
Atrial Flutter: Mechanisms, Clinical Features and Management
... Surprisingly the perception of palpitations is infrequent. The most encountered signs are fatigue, exertional dyspnea and general discomfort. However this intolerance is often mild. Certain forms are even asymptomatic. Conversely the occurrence of atrial flutter in severe cardiac patients may be acc ...
... Surprisingly the perception of palpitations is infrequent. The most encountered signs are fatigue, exertional dyspnea and general discomfort. However this intolerance is often mild. Certain forms are even asymptomatic. Conversely the occurrence of atrial flutter in severe cardiac patients may be acc ...
1443 Final Protocol - Medical Services Advisory Committee
... What is cryptogenic stroke? Identifying an underlying stroke mechanism is crucial in secondary prevention of ischaemic stroke (Yaghi & Elkind, 2014). However, in 25-40% of ischaemic strokes no stroke aetiology is identified (Andrade, Field & Khairy, 2015; Sacco et al., 1989; Petty et al., 1999; Kol ...
... What is cryptogenic stroke? Identifying an underlying stroke mechanism is crucial in secondary prevention of ischaemic stroke (Yaghi & Elkind, 2014). However, in 25-40% of ischaemic strokes no stroke aetiology is identified (Andrade, Field & Khairy, 2015; Sacco et al., 1989; Petty et al., 1999; Kol ...
Wide Complex Tachycardias - Texas Tech University Health
... ECG Clues for V Tach Bizarre frontal-plane QRS axis (i.e. from +150 degrees to -90 degrees or NW quadrant) suggests ventricular tachycardia QRS morphology similar to previously seen PVCs suggests ventricular tachycardia If all the QRS complexes from V1 to V6 are in the same direction (positive or n ...
... ECG Clues for V Tach Bizarre frontal-plane QRS axis (i.e. from +150 degrees to -90 degrees or NW quadrant) suggests ventricular tachycardia QRS morphology similar to previously seen PVCs suggests ventricular tachycardia If all the QRS complexes from V1 to V6 are in the same direction (positive or n ...
Dyspnoea after pneumonectomy
... inferior, superior and the atrial septum could make a preferential flow possible from the vena cava inferior through the patent foramen ovale into the left atrium, even in the absence of a pressure gradient. Regarding the observations during operation, this mechanism could have played a role in our ...
... inferior, superior and the atrial septum could make a preferential flow possible from the vena cava inferior through the patent foramen ovale into the left atrium, even in the absence of a pressure gradient. Regarding the observations during operation, this mechanism could have played a role in our ...
Long-term Outcomes in Individuals With Prolonged PR
... 200 milliseconds, is frequently encountered in clinical practice.1-4 The PR interval is determined by the conduction time from the sinus node to the ventricles and thus integrates information about a number of sites in the conduction system of the heart. Firstdegree AVB may result from conduction de ...
... 200 milliseconds, is frequently encountered in clinical practice.1-4 The PR interval is determined by the conduction time from the sinus node to the ventricles and thus integrates information about a number of sites in the conduction system of the heart. Firstdegree AVB may result from conduction de ...
Poster Arrhythmia Recognition Part 1
... Arrhythmia Recognition (poster 1 of 2) This is part one of two posters to assist healthcare professionals in recognizing basic arrhythmias. According to the Practice Standards for Electrocardiographic Monitoring in Hospital Settings (Circulation. 2004;110:2721-2746) in general, the mechanisms of arr ...
... Arrhythmia Recognition (poster 1 of 2) This is part one of two posters to assist healthcare professionals in recognizing basic arrhythmias. According to the Practice Standards for Electrocardiographic Monitoring in Hospital Settings (Circulation. 2004;110:2721-2746) in general, the mechanisms of arr ...
Müllerleile, Cathrin Theis, Karsten Bock, Helge Servatius, Arian
... Methods and Results—A total of 110 patients with persistent AF (63±9 years; 22 women; 61 long-lasting persistent AF) underwent pulmonary vein isolation followed by electrogram-guided ablation. After AF terminated to AT, patients were separated by the randomization protocol to receive either direct c ...
... Methods and Results—A total of 110 patients with persistent AF (63±9 years; 22 women; 61 long-lasting persistent AF) underwent pulmonary vein isolation followed by electrogram-guided ablation. After AF terminated to AT, patients were separated by the randomization protocol to receive either direct c ...
Sample pages 2 PDF
... 2.1.3 Detailed Anatomy of the Atria The focus of this thesis is on human atrial modelling and hence it is necessary to describe the anatomy of the atria in more detail. Both the right and left atrium are thin walled and contain an area which is greatly expandable when it is filled with blood. This a ...
... 2.1.3 Detailed Anatomy of the Atria The focus of this thesis is on human atrial modelling and hence it is necessary to describe the anatomy of the atria in more detail. Both the right and left atrium are thin walled and contain an area which is greatly expandable when it is filled with blood. This a ...
d) Left axis deviation
... RV hypertrophy occurs over time in response to pressure or volume overload in conditions such as; 1. Primary pulmonary hypertension 2. Chronic obstructive pulmonary disease (COPD) 3. Pulmonic stenosis 4. Atrial septal defect (ASD). This patient was diagnosed with PAH ...
... RV hypertrophy occurs over time in response to pressure or volume overload in conditions such as; 1. Primary pulmonary hypertension 2. Chronic obstructive pulmonary disease (COPD) 3. Pulmonic stenosis 4. Atrial septal defect (ASD). This patient was diagnosed with PAH ...
Exercise EKG
... potentials, or if each part of the heart was dissected and studied separately, the atrial muscle cells would depolarize approximately 60 times per minute. In the absence of SA node, or atrial muscle initiation of depolarization in the heart the AV node could take over as the pacemaker. The AV node ...
... potentials, or if each part of the heart was dissected and studied separately, the atrial muscle cells would depolarize approximately 60 times per minute. In the absence of SA node, or atrial muscle initiation of depolarization in the heart the AV node could take over as the pacemaker. The AV node ...
Digoxin in heart failure and cardiac arrhythmias
... ical reason to suppose such an effect. Digoxin shortens the effective refractive period of the atrial myocardium and, if anything, would be expected to make atrial fibrillation more likely to occur and persist. It is certainly possible that, in patients with concomitant heart failure, the beneficial ...
... ical reason to suppose such an effect. Digoxin shortens the effective refractive period of the atrial myocardium and, if anything, would be expected to make atrial fibrillation more likely to occur and persist. It is certainly possible that, in patients with concomitant heart failure, the beneficial ...
Secundum Atrial Septal Defect in a One-Year-Old
... cardiovascular diseases are absent (11). Right-sided congestive heart failure usually occurs only when a large defect is present (12). The abnormalities seen in the heart are related to age (5). Even dogs with a large atrial septal defect and partial atrioventricular defects may exhibit no clinical ...
... cardiovascular diseases are absent (11). Right-sided congestive heart failure usually occurs only when a large defect is present (12). The abnormalities seen in the heart are related to age (5). Even dogs with a large atrial septal defect and partial atrioventricular defects may exhibit no clinical ...
The Mechanism of Adaptation of Left Atrial Stretch Congestive Heart
... taken continuously during volume expansion. Usually two volume expansions were performed for each receptor. The animal was hemorrhaged back to the control left atrial pressure between the first and second volume expansions. The conduction velocity was measured in several animals as follows: at the c ...
... taken continuously during volume expansion. Usually two volume expansions were performed for each receptor. The animal was hemorrhaged back to the control left atrial pressure between the first and second volume expansions. The conduction velocity was measured in several animals as follows: at the c ...
Focused 2012 Update of the Canadian Cardiovascular Society Atrial
... components (age 65-74, vascular disease, and female sex) contributed significantly to risk prediction in univariate analysis, but female sex did not make a significant contribution in a multivariate model. The value of assigning a point for female sex continues to be debated.11 The c-statistics were ...
... components (age 65-74, vascular disease, and female sex) contributed significantly to risk prediction in univariate analysis, but female sex did not make a significant contribution in a multivariate model. The value of assigning a point for female sex continues to be debated.11 The c-statistics were ...
Left atrial volume predicts adverse cardiac and cerebrovascular
... LAV/BSA of ≥ 40.4 ml/m2 to identify patients with cardiovascular complications with a sensitivity of 73% and a specificity of 88%. Conclusion: LAVI may be an effective marker for detecting the risk of MACCE in patients with HCM and normal pump function. Keywords: hypertrophic cardiomyopathy, left at ...
... LAV/BSA of ≥ 40.4 ml/m2 to identify patients with cardiovascular complications with a sensitivity of 73% and a specificity of 88%. Conclusion: LAVI may be an effective marker for detecting the risk of MACCE in patients with HCM and normal pump function. Keywords: hypertrophic cardiomyopathy, left at ...
EKG
... Monitoring EKGs The 24 – hour Holter monitor is a device used to evaluate the charge activity of the heart over a longer period of time and while the patient performs his/her normal daily activities. This is a 3 lead EKG. EKEKG ...
... Monitoring EKGs The 24 – hour Holter monitor is a device used to evaluate the charge activity of the heart over a longer period of time and while the patient performs his/her normal daily activities. This is a 3 lead EKG. EKEKG ...
Problems concerning assessment of anatomical site - Heart
... to the atria, as shown on the high right atrial third beat is a right atrial premature b)eat with a electrogram. The tachycardia in this patient could coupling time of 230 ms. Following this right atrial be consistently terminated by suitably timed right premature beat, ventricular activation oc cur ...
... to the atria, as shown on the high right atrial third beat is a right atrial premature b)eat with a electrogram. The tachycardia in this patient could coupling time of 230 ms. Following this right atrial be consistently terminated by suitably timed right premature beat, ventricular activation oc cur ...
Etiology,Natural History,Pathophysiology,Symptoms,Signs of Mitral
... ◦ Patients with NYHA functional Class III-IV symptoms, moderate or severe MS and valve morphology favorable for repair if percutaneous mitral balloon valvotomy is not available ◦ Patients with NYHA functional Class III-IV symptoms, moderate or severe MS and valve morphology favorable for repair if a ...
... ◦ Patients with NYHA functional Class III-IV symptoms, moderate or severe MS and valve morphology favorable for repair if percutaneous mitral balloon valvotomy is not available ◦ Patients with NYHA functional Class III-IV symptoms, moderate or severe MS and valve morphology favorable for repair if a ...
Atrial natriuretic peptide (ANP)
... Quantitative studies on the granules were performed in various mammalian species (Jamieson and Palade, 1964; Cantin et al., 1979; Mifune et al., 1996), but authors do not agree on the number and diameter of the granules in the various regions of the atrial-auricular complex. In the rat, the larger n ...
... Quantitative studies on the granules were performed in various mammalian species (Jamieson and Palade, 1964; Cantin et al., 1979; Mifune et al., 1996), but authors do not agree on the number and diameter of the granules in the various regions of the atrial-auricular complex. In the rat, the larger n ...
(CRT-D) A - Grupo Akros
... stability, the presence of a ICD often complicates the impending transition to end-of-life care. ...
... stability, the presence of a ICD often complicates the impending transition to end-of-life care. ...
Fig. 1
... ablation, with reappearance of the high frequency parasympathetic component, probably due to reinnervation. These changes were most obvious in patients undergoing AV node modification and ablation of a posteroseptal accessory bypass tract and were related to a possible concomitant destruction of vag ...
... ablation, with reappearance of the high frequency parasympathetic component, probably due to reinnervation. These changes were most obvious in patients undergoing AV node modification and ablation of a posteroseptal accessory bypass tract and were related to a possible concomitant destruction of vag ...
Case-Based Curriculum in Clinical Electrophysiology
... outflow tract VT due to its unusual location.39 In their Teaching Points presentation Thajudeen and coworkers demonstrate these principles in a patient with multiple accessory pathways with antidromic AV reentry and orthodromic tachycardias as well as atrial tachycardia.40 Leiria and colleagues prov ...
... outflow tract VT due to its unusual location.39 In their Teaching Points presentation Thajudeen and coworkers demonstrate these principles in a patient with multiple accessory pathways with antidromic AV reentry and orthodromic tachycardias as well as atrial tachycardia.40 Leiria and colleagues prov ...
Atrial fibrillation
Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm characterized by rapid and irregular beating. Often it starts as brief periods of abnormal beating which become longer and possibly constant over time. Most episodes have no symptoms. Occasionally there may be heart palpitations, fainting, shortness of breath, or chest pain. The disease increases the risk of heart failure, dementia, and stroke.Hypertension and valvular heart disease are the most common alterable risk factors for AF. Other heart-related risk factors include heart failure, coronary artery disease, cardiomyopathy, and congenital heart disease. In the developing world valvular heart disease often occurs as a result of rheumatic fever. Lung-related risk factors include COPD, obesity, and sleep apnea. Other factors include excess alcohol intake, diabetes mellitus, and thyrotoxicosis. However, half of cases are not associated with one of these risks. A diagnosis is made by feeling the pulse and may be confirmed using an electrocardiogram (ECG). The typical ECG shows no P waves and an irregular ventricular rate.AF is often treated with medications to slow the heart rate to a near normal range (known as rate control) or to convert the rhythm to normal sinus rhythm (known as rhythm control). Electrical cardioversion can also be used to convert AF to a normal sinus rhythm and is often used emergently if the person is unstable. Ablation may prevent recurrence in some people. Depending on the risk of stroke either aspirin or anti-clotting medications such as warfarin or a novel oral anticoagulant may be recommended. While these medications reduce this risk, they increase rates of major bleeding.Atrial fibrillation is the most common serious abnormal heart rhythm. In Europe and North America, as of 2014, it affects about 2% to 3% of the population. This is an increase from 0.4 to 1% of the population around 2005. In the developing world about 0.6% of males and 0.4% of females are affected. The percentage of people with AF increases with age with 0.14% under 50 years old, 4% between 60 and 70 years old, and 14% over 80 years old being affected. A-fib and atrial flutter resulted in 112,000 deaths in 2013, up from 29,000 in 1990. The first known report of an irregular pulse was by John Baptist Senac in 1749. This was first documented by ECG in 1909 by Thomas Lewis.