Chapter 15
... Mosby items and derived items © 2010 by Mosby, Inc., an affiliate of Elsevier Inc. ...
... Mosby items and derived items © 2010 by Mosby, Inc., an affiliate of Elsevier Inc. ...
June 2008 Volume 10, Number 6
... hyperkalemia. Even though the specific etiology can be quite varied, the underlying pathology relates to “poisoning” of the HPS through their effect on the ionchannels that are responsible for the action potential of the HPS. With many of the toxic and metabolic abnormalities, the effects are more g ...
... hyperkalemia. Even though the specific etiology can be quite varied, the underlying pathology relates to “poisoning” of the HPS through their effect on the ionchannels that are responsible for the action potential of the HPS. With many of the toxic and metabolic abnormalities, the effects are more g ...
The correlation between ventricular remodeling and arrhythmia in
... Figure 2. Changes of ventricular fibrillation threshold and duration after electrical stimulation. A. II lead ECG data of sham animals before thoracotomy (HR: 400/min, maximum voltage: 0.15 mv, minimum voltage: -0.01 mv, volt toptop value: 0.14 mv). B. II lead ECG of ventricular fibrillation caused ...
... Figure 2. Changes of ventricular fibrillation threshold and duration after electrical stimulation. A. II lead ECG data of sham animals before thoracotomy (HR: 400/min, maximum voltage: 0.15 mv, minimum voltage: -0.01 mv, volt toptop value: 0.14 mv). B. II lead ECG of ventricular fibrillation caused ...
The Heart - Napa Valley College
... Pulmonary and aortic tricuspid valves Prevent backflow from pulmonary trunk and aorta ...
... Pulmonary and aortic tricuspid valves Prevent backflow from pulmonary trunk and aorta ...
product monograph nitroglycerin in 5
... careful study, one of the few that lasted more than a few hours, continuous intravenous nitroglycerin had lost almost all of its hemodynamic effect after 48 hours. In the same study, patients who received nitroglycerin infusions for only 12 hours out of each 24 demonstrated no similar attenuation of ...
... careful study, one of the few that lasted more than a few hours, continuous intravenous nitroglycerin had lost almost all of its hemodynamic effect after 48 hours. In the same study, patients who received nitroglycerin infusions for only 12 hours out of each 24 demonstrated no similar attenuation of ...
Mechanically induced sudden death in chest wall impact
... the chest wall strike cannot always be determined with precision (Maron et al., 1995). Survival: Although initially reported to be almost invariably fatal, survival now appears to approach 15%, including some cases of spontaneous resolution of collapse after chest wall impact (Maron et al., 2002). I ...
... the chest wall strike cannot always be determined with precision (Maron et al., 1995). Survival: Although initially reported to be almost invariably fatal, survival now appears to approach 15%, including some cases of spontaneous resolution of collapse after chest wall impact (Maron et al., 2002). I ...
Design Alternatives
... poorer valvular function, which in turn leads to a greater retrograde flow in the heart, which increasingly contributes to the positive feedback loop. Therefore valvular repair should be recommended for patients with mild mitral regurgitation because the condition will become progressively worse wi ...
... poorer valvular function, which in turn leads to a greater retrograde flow in the heart, which increasingly contributes to the positive feedback loop. Therefore valvular repair should be recommended for patients with mild mitral regurgitation because the condition will become progressively worse wi ...
Relative expression of immunolocalized connexins 40 and
... undergoing coronary artery bypass grafting. Patients on antiarrhythmic drugs were excluded. Written informed consent was obtained from the patients, and the local ethics committee granted approval for the study. Standard anesthesia was followed by a midline sternotomy. Epicardial mapping was perform ...
... undergoing coronary artery bypass grafting. Patients on antiarrhythmic drugs were excluded. Written informed consent was obtained from the patients, and the local ethics committee granted approval for the study. Standard anesthesia was followed by a midline sternotomy. Epicardial mapping was perform ...
Marja Heiskanen – Right ventricular metabolic responses to
... A., Knuuti Juhani, Hannukainen Jarna C., Kalliokoski Kari K. High-intensity interval training decreases left-ventricular glucose uptake compared to moderate-intensity continuous training in subjects with type 2 diabetes or prediabetes. Submitted. ...
... A., Knuuti Juhani, Hannukainen Jarna C., Kalliokoski Kari K. High-intensity interval training decreases left-ventricular glucose uptake compared to moderate-intensity continuous training in subjects with type 2 diabetes or prediabetes. Submitted. ...
Regarding the action of hydrate soda, hydrate of ammonia, and
... ventricle, the rush of blood into the ventricle dilates it considerably, owing to some increase in its elasticity induced by the alkalies, to be followed by slow retraction of the ventricle. This explanation, however, is not feasible, since (see Fig. 1, E aa) after a rhythmic contraction a marked fa ...
... ventricle, the rush of blood into the ventricle dilates it considerably, owing to some increase in its elasticity induced by the alkalies, to be followed by slow retraction of the ventricle. This explanation, however, is not feasible, since (see Fig. 1, E aa) after a rhythmic contraction a marked fa ...
on Cardiac Refractory Periods
... electrocardiographic data as well as control conduction intervals are summarized in table 1. Only two patients had received cardioactive drugs within the week prior to study (procaine amide in patient 4 and digoxin in patient 8). Both drugs were discontinued 48 hours prior to study in these latter t ...
... electrocardiographic data as well as control conduction intervals are summarized in table 1. Only two patients had received cardioactive drugs within the week prior to study (procaine amide in patient 4 and digoxin in patient 8). Both drugs were discontinued 48 hours prior to study in these latter t ...
Remote Ischemic Conditioning for the Reduction of Ischemia
... restoring blood flow to the heart by removing blockages in the coronary artery within 12 hours of symptom onset.1,25,26 This is achieved through emergent PCI or thrombolysis with clot-dissolving drugs. PCI is a nonsurgical procedure performed in a cardiac catheterization laboratory. An angioplasty b ...
... restoring blood flow to the heart by removing blockages in the coronary artery within 12 hours of symptom onset.1,25,26 This is achieved through emergent PCI or thrombolysis with clot-dissolving drugs. PCI is a nonsurgical procedure performed in a cardiac catheterization laboratory. An angioplasty b ...
Assessment and classification of patients with - Heart
... 99th centile as the diagnostic threshold for acute myocardial infarction since 2007, with a rise or fall in cardiac troponin concentrations necessary to confirm the diagnosis1 Improvements in assay precision have identified differences in cardiac troponin concentrations between men and women, with the ...
... 99th centile as the diagnostic threshold for acute myocardial infarction since 2007, with a rise or fall in cardiac troponin concentrations necessary to confirm the diagnosis1 Improvements in assay precision have identified differences in cardiac troponin concentrations between men and women, with the ...
Editorials Original Articles - Circulation: Arrhythmia and
... CIRCULATION: ARRHYTHMIA AND ELECTROPHYSIOLOGY (ISSN 1941-3084) is published monthly online-only by Wolters Kluwer Health, Inc. at 14700 Citicorp Drive, Bldg 3, Hagerstown, MD 21742. Business offices are located at Two Commerce Square, 2001 Market Street, Philadelphia, PA 19103. Production offices ar ...
... CIRCULATION: ARRHYTHMIA AND ELECTROPHYSIOLOGY (ISSN 1941-3084) is published monthly online-only by Wolters Kluwer Health, Inc. at 14700 Citicorp Drive, Bldg 3, Hagerstown, MD 21742. Business offices are located at Two Commerce Square, 2001 Market Street, Philadelphia, PA 19103. Production offices ar ...
The Heart
... Pulmonary and aortic tricuspid valves Prevent backflow from pulmonary trunk and aorta into ventricles ...
... Pulmonary and aortic tricuspid valves Prevent backflow from pulmonary trunk and aorta into ventricles ...
Geometry of Koch`s triangle
... important variables. Qualitative features were characterized by frequencies and percentages. In order to compare average results between two different groups, t-test or non-parametric Mann – Whitney test were performed in case of no normality. In case of comparing the average results of two differen ...
... important variables. Qualitative features were characterized by frequencies and percentages. In order to compare average results between two different groups, t-test or non-parametric Mann – Whitney test were performed in case of no normality. In case of comparing the average results of two differen ...
Recommendations for the Evaluation of Left Ventricular Diastolic
... Chamber stiffness describes the LV diastolic pressurevolume relationship, with a number of measurements that can be derived. The operating stiffness at any point is equal to the slope of a tangent drawn to the curve at that point (DP/DV ) and can be approximated with only two distinct pressure-volum ...
... Chamber stiffness describes the LV diastolic pressurevolume relationship, with a number of measurements that can be derived. The operating stiffness at any point is equal to the slope of a tangent drawn to the curve at that point (DP/DV ) and can be approximated with only two distinct pressure-volum ...
12-lead Electrocardiogram in Acute Coronary Syndrome
... MAJOR FINDINGS OF THE STUDY ......................................................................................................................... 96 6.1 Poor outcome in real life non-ST elevation acute coronary syndrome patients................................................ 96 6.2 An ECG marke ...
... MAJOR FINDINGS OF THE STUDY ......................................................................................................................... 96 6.1 Poor outcome in real life non-ST elevation acute coronary syndrome patients................................................ 96 6.2 An ECG marke ...
toward consistent definitions for preload and afterload
... Definitions of preload and afterload. The basis for the definitions of both preload and afterload is the Law of LaPlace (also known as the surface tension law or the Law of Young-LaPlace), stated as follows for a thin-walled spherical structure: T ⫽ PR/2, where T is wall tension, P is chamber pressu ...
... Definitions of preload and afterload. The basis for the definitions of both preload and afterload is the Law of LaPlace (also known as the surface tension law or the Law of Young-LaPlace), stated as follows for a thin-walled spherical structure: T ⫽ PR/2, where T is wall tension, P is chamber pressu ...
Photoplethysmography and its application in clinical
... on PPG describing the use of a reflection mode system to measure blood volume changes in the fingers induced by the Valsalva manoeuvre, exercise and with exposure to cold. This excellent contribution to the field demonstrated the potential clinical utility of the technique. In 1938, Hertzman underto ...
... on PPG describing the use of a reflection mode system to measure blood volume changes in the fingers induced by the Valsalva manoeuvre, exercise and with exposure to cold. This excellent contribution to the field demonstrated the potential clinical utility of the technique. In 1938, Hertzman underto ...
Is right ventricular outflow tract pacing superior to right ventricular
... Abstract: Background: We report the long-term results of our follow-up study, which compared right ventricular outflow tract (RVOT) pacing and right ventricular apex (RVA) pacing in terms of left and right ventricular function, synchrony, cardiac remodeling, the degree of valve regurgitation and cli ...
... Abstract: Background: We report the long-term results of our follow-up study, which compared right ventricular outflow tract (RVOT) pacing and right ventricular apex (RVA) pacing in terms of left and right ventricular function, synchrony, cardiac remodeling, the degree of valve regurgitation and cli ...
A review of heart chamber segmentation for structural and functional
... 17.3 million people died due to CVDs worldwide, accounting for 30 % of total deaths [1]. Of these cases, about 7.3 million were due to coronary heart disease, and 6.2 million were due to stroke [2]. However, partially due to the aging population, this number keeps increasing. It is predicted that by ...
... 17.3 million people died due to CVDs worldwide, accounting for 30 % of total deaths [1]. Of these cases, about 7.3 million were due to coronary heart disease, and 6.2 million were due to stroke [2]. However, partially due to the aging population, this number keeps increasing. It is predicted that by ...
Conduction Defects
... It remains uncertain whether local delay (or block) of the atrial activation can result in notching of the P-wave without an increase in its duration. On the other hand, some normal subjects, with no evidence of heart disease, do have a small notch at the peak of the P-wave, which is probably relate ...
... It remains uncertain whether local delay (or block) of the atrial activation can result in notching of the P-wave without an increase in its duration. On the other hand, some normal subjects, with no evidence of heart disease, do have a small notch at the peak of the P-wave, which is probably relate ...
C:\Users\SSP\Documents\My Web Sites\CINC.ORG\html\2011
... Semi-automated Assessment of Left Ventricular Volume through 2D Echocardiographic Images using a Tissue-mimicking Phantom Kun Wang*, Alan Murray and Andrew Sims The Relationship between the Occurrence of the U Wave and both the Electrical and Mechanical Timing Sequence Wenfeng Duan*, Dingchang Zheng ...
... Semi-automated Assessment of Left Ventricular Volume through 2D Echocardiographic Images using a Tissue-mimicking Phantom Kun Wang*, Alan Murray and Andrew Sims The Relationship between the Occurrence of the U Wave and both the Electrical and Mechanical Timing Sequence Wenfeng Duan*, Dingchang Zheng ...
Preview the material
... reinitiation are met. These include a trigger (often an atrial or ventricular premature beat) and an appropriate balance of electrical behavior of the various parts of the circuit. Re-entry tachycardias can be started and stopped by pacing and it can be stopped by cardioversion. Other examples of re ...
... reinitiation are met. These include a trigger (often an atrial or ventricular premature beat) and an appropriate balance of electrical behavior of the various parts of the circuit. Re-entry tachycardias can be started and stopped by pacing and it can be stopped by cardioversion. Other examples of re ...