Left Atrial Volume Combined With Atrial Pump Function
... PAF documented by a 12-lead ECG, 24-hour Holter monitoring, or continuous monitoring during hospitalization without taking any antiarrhythmic drugs and having been free from arrhythmic episodes for ⬎1 week before undergoing echocardiography; (2) hypertension (systolic blood pressure ⱖ140 mm Hg and/o ...
... PAF documented by a 12-lead ECG, 24-hour Holter monitoring, or continuous monitoring during hospitalization without taking any antiarrhythmic drugs and having been free from arrhythmic episodes for ⬎1 week before undergoing echocardiography; (2) hypertension (systolic blood pressure ⱖ140 mm Hg and/o ...
Physiological and pathological cardiac hypertrophy induce different
... reaction cycles of PCR were performed in the range that demonstrated a linear correlation between the amount of cDNA and the yield of PCR products. After PCR in MHC, distinction between ␣- and -MHC was achieved by digestion of 12.5 l of the PCR mixture with 0.8 U of MseI in a standard reaction buf ...
... reaction cycles of PCR were performed in the range that demonstrated a linear correlation between the amount of cDNA and the yield of PCR products. After PCR in MHC, distinction between ␣- and -MHC was achieved by digestion of 12.5 l of the PCR mixture with 0.8 U of MseI in a standard reaction buf ...
images/Electrocardiography and Arrhythmia for Med Students.pps
... • May trigger more serious tachyarrhythmias • May be associated with a normal heart or a variety of cardiac disturbances Tehran Arrhythmia Center ...
... • May trigger more serious tachyarrhythmias • May be associated with a normal heart or a variety of cardiac disturbances Tehran Arrhythmia Center ...
Gradual Changes of ECG Waveform During and After
... wave amplitude during exercise. These findings have been confirmed in recent years by quantitative ECG analysis with modern computer techniques. 4-12 Blomqvist4 " and Bruce et al.5' 6 demonstrated that such ECG changes occur gradually when a multistage exercise test is performed. In the recovery per ...
... wave amplitude during exercise. These findings have been confirmed in recent years by quantitative ECG analysis with modern computer techniques. 4-12 Blomqvist4 " and Bruce et al.5' 6 demonstrated that such ECG changes occur gradually when a multistage exercise test is performed. In the recovery per ...
Heart failure causes cholinergic transdifferentiation of cardiac
... were strongly upregulated in the ventricles of rats with CHF. Further, LIF and cardiotrophin-1 secreted from cultured failing rat cardiomyocytes induced cholinergic transdifferentiation in cultured sympathetic neurons, and this process was reversed by siRNAs targeting Lif and cardiotrophin-1. Consis ...
... were strongly upregulated in the ventricles of rats with CHF. Further, LIF and cardiotrophin-1 secreted from cultured failing rat cardiomyocytes induced cholinergic transdifferentiation in cultured sympathetic neurons, and this process was reversed by siRNAs targeting Lif and cardiotrophin-1. Consis ...
A Study of Early Afterdepolarizations in a Model for Human
... arrhythmogenic condition, the long-QT syndrome, which occurs as a result of genetic mutations or drug toxicity. The underlying mechanisms of arrhythmias, caused by the long-QT syndrome, are not fully understood. However, arrhythmias are often connected to special excitations of cardiac cells, called ...
... arrhythmogenic condition, the long-QT syndrome, which occurs as a result of genetic mutations or drug toxicity. The underlying mechanisms of arrhythmias, caused by the long-QT syndrome, are not fully understood. However, arrhythmias are often connected to special excitations of cardiac cells, called ...
What`s new in diagnosis and therapy of atrial fibrillation?
... whereas patients with 2 reconnected PV experienced relapse of the arrhythmia. These results and abundant data from repeat ablation procedures for arrhythmia recurrence strongly suggest, that relapse of paroxysmal AF is caused mainly by reconnection of the PV [19-23]. Even late arrhythmia recurrence ...
... whereas patients with 2 reconnected PV experienced relapse of the arrhythmia. These results and abundant data from repeat ablation procedures for arrhythmia recurrence strongly suggest, that relapse of paroxysmal AF is caused mainly by reconnection of the PV [19-23]. Even late arrhythmia recurrence ...
Induction of cardiac muscle differentiation in isolated
... from a range of developmental stages from neurula stage onwards to assess when the MHCα gene was activated during embryogenesis. Since the developing heart of the tadpole comprises only a small percentage of tissue when compared with the axial muscle of the myotomes, we dissected ventral and dorsal ...
... from a range of developmental stages from neurula stage onwards to assess when the MHCα gene was activated during embryogenesis. Since the developing heart of the tadpole comprises only a small percentage of tissue when compared with the axial muscle of the myotomes, we dissected ventral and dorsal ...
TEMPORARY PACEMAKER
... Permanent Pacemaker - A pulse generator contains both the battery and the intelligent circuits this device connected to a lead which makes contact with either the atrium or the ventricular muscle. - A pacemaker uses batteries to send electrical impulses to the heart to ...
... Permanent Pacemaker - A pulse generator contains both the battery and the intelligent circuits this device connected to a lead which makes contact with either the atrium or the ventricular muscle. - A pacemaker uses batteries to send electrical impulses to the heart to ...
Full Text - Iranian Red Crescent Medical Journal
... the neck. Another symptom of palpitation is a flip-flopping, rapid fluttering in the chest and pounding in the neck (10). In general there are between 60-100 heart beats per minute. People with regular daily exercise or under certain medication may experience less than 55 beat per minute. Usually pa ...
... the neck. Another symptom of palpitation is a flip-flopping, rapid fluttering in the chest and pounding in the neck (10). In general there are between 60-100 heart beats per minute. People with regular daily exercise or under certain medication may experience less than 55 beat per minute. Usually pa ...
the atrial sound and the atrial component of the first - Heart
... of possible variations in the onset of the QRS complex in different cardiographic leads, standard lead II was employed throughout. Confusion with summation sounds or third sounds is avoided in all phonocardiograms, by showing two cycles or a flat base line for at least 0-24 sec. preceding each atria ...
... of possible variations in the onset of the QRS complex in different cardiographic leads, standard lead II was employed throughout. Confusion with summation sounds or third sounds is avoided in all phonocardiograms, by showing two cycles or a flat base line for at least 0-24 sec. preceding each atria ...
The Three-Dimensional Arrangement of the Myocytes Aggregated
... as yet no evidence exists for the anatomic segregation of discrete myocardial pathways. We performed post-mortem diffusion tensor imaging on 14 pig hearts. Pathway tracking was done from 22 standardized voxel groups from within the left ventricle, the left ventricular papillary muscles, and the righ ...
... as yet no evidence exists for the anatomic segregation of discrete myocardial pathways. We performed post-mortem diffusion tensor imaging on 14 pig hearts. Pathway tracking was done from 22 standardized voxel groups from within the left ventricle, the left ventricular papillary muscles, and the righ ...
... B. Contents of These Guidelines—Scope The purpose of this joint ACC/AHA/ESC document is to provide clinicians with practical and authoritative guidelines for the management and treatment of patients with supraventricular arrhythmias (SVA). These include rhythms emanating from the sinus node, from at ...
ACC/AHA/ESC Guidelines for the Management of Patients
... B. Contents of These Guidelines—Scope The purpose of this joint ACC/AHA/ESC document is to provide clinicians with practical and authoritative guidelines for the management and treatment of patients with supraventricular arrhythmias (SVA). These include rhythms emanating from the sinus node, from at ...
... B. Contents of These Guidelines—Scope The purpose of this joint ACC/AHA/ESC document is to provide clinicians with practical and authoritative guidelines for the management and treatment of patients with supraventricular arrhythmias (SVA). These include rhythms emanating from the sinus node, from at ...
Predictors of right ventricular failure after left ventricular assist device
... and intraoperative demographic, laboratory and comorbidity variables in their models (Supplementary table 1). The remaining 4 studies used echocardiographic variables (Supplementary table 2). ...
... and intraoperative demographic, laboratory and comorbidity variables in their models (Supplementary table 1). The remaining 4 studies used echocardiographic variables (Supplementary table 2). ...
Review Article Frequency Analysis Of Atrial Fibrillation
... A direct comparison between endocardially recorded electrograms and body surface recordings clearly evidences the validity of fibrillatory rate obtained from surface ECG as an index of the average atrial fibrillatory cycle and subsequently atrial refractoriness. Fibrillatory rates calculated from le ...
... A direct comparison between endocardially recorded electrograms and body surface recordings clearly evidences the validity of fibrillatory rate obtained from surface ECG as an index of the average atrial fibrillatory cycle and subsequently atrial refractoriness. Fibrillatory rates calculated from le ...
Temporary Pacing power point education
... • Undersensing: pacer not sensing all intrinsic activity so may misfire at inappropriate times • Oversensing: pacer sensing artifact as well as intrinsic activity so may not fire when necessary ...
... • Undersensing: pacer not sensing all intrinsic activity so may misfire at inappropriate times • Oversensing: pacer sensing artifact as well as intrinsic activity so may not fire when necessary ...
Does this patient have CHF - Division of General Internal Medicine
... Dyspnea, an uncomfortable sensation of breathing10 or an awareness of respiratory distress,11 is the cause for more than 2.5 million clinician visits per year in the United States.12 A number of disorders cause dyspnea including congestive heart failure, COPD, asthma, deconditioning, metabolic acido ...
... Dyspnea, an uncomfortable sensation of breathing10 or an awareness of respiratory distress,11 is the cause for more than 2.5 million clinician visits per year in the United States.12 A number of disorders cause dyspnea including congestive heart failure, COPD, asthma, deconditioning, metabolic acido ...
The emerging role of cardiovascular magnetic resonance imaging
... familial partial lipodystrophy, mandibuloacral dysplasia and progeria syndromes, all referred to as laminopathies. Cardiac disease in EDMD In EDMD1, the most common cardiac finding is conduction disturbances (45). LV dysfunction and atrial paralysis can also be observed (46,47). Sudden death is comm ...
... familial partial lipodystrophy, mandibuloacral dysplasia and progeria syndromes, all referred to as laminopathies. Cardiac disease in EDMD In EDMD1, the most common cardiac finding is conduction disturbances (45). LV dysfunction and atrial paralysis can also be observed (46,47). Sudden death is comm ...
Guidelines ARVD New Criteria Circ 2010
... clinical diagnosis of ARVC/D were based on structural, histological, ECG, arrhythmic, and familial features of the disease28 (Table 1). Abnormalities were subdivided into major and minor categories according to the specificity of their association with ARVC/D. ECG abnormalities such as complete and ...
... clinical diagnosis of ARVC/D were based on structural, histological, ECG, arrhythmic, and familial features of the disease28 (Table 1). Abnormalities were subdivided into major and minor categories according to the specificity of their association with ARVC/D. ECG abnormalities such as complete and ...
City of Miami`s Public Access Defibrillation Program
... Program Overview Over 400,000 people die each year in the US from sudden cardiac arrest. Cardiac arrest usually results from some underlying form of heart disease. Most cardiac arrests are due to abnormal heart rhythms called arrhythmias. Ventricular Fibrillation (VF) is the most common arrhythmia t ...
... Program Overview Over 400,000 people die each year in the US from sudden cardiac arrest. Cardiac arrest usually results from some underlying form of heart disease. Most cardiac arrests are due to abnormal heart rhythms called arrhythmias. Ventricular Fibrillation (VF) is the most common arrhythmia t ...
Essential Opposite Roles of ERK and Akt Signaling in Cardiac
... by CS causes an increase in intracellular Na1, which, in turn, attenuates the Na1/Ca21 exchange activity, resulting in increased intracellular Ca21 concentration and consequently greater contractility. The reversion of the intracellular Ca21 to its basal levels depends on its sequestration in the sa ...
... by CS causes an increase in intracellular Na1, which, in turn, attenuates the Na1/Ca21 exchange activity, resulting in increased intracellular Ca21 concentration and consequently greater contractility. The reversion of the intracellular Ca21 to its basal levels depends on its sequestration in the sa ...
Failure to precondition pathological human myocardium
... protection of these hearts. There are very few studies in human diabetic tissue. Cleveland et al. (16) used a functional isolated atrial trabeculae model and showed that PC did not confer any protection of the myocardium on patients taking long-term oral hypoglycemic agents. They hypothesized that l ...
... protection of these hearts. There are very few studies in human diabetic tissue. Cleveland et al. (16) used a functional isolated atrial trabeculae model and showed that PC did not confer any protection of the myocardium on patients taking long-term oral hypoglycemic agents. They hypothesized that l ...