Document
... dual injection technique via simultaneous intravenous (IV) injections into a dorsal foot vein and an upper extremity vein. Sandler et al. [9] performed simultaneous injections into a central lower extremity vein and an upper extremity vein, with a catheter placed in the central femoral vein under so ...
... dual injection technique via simultaneous intravenous (IV) injections into a dorsal foot vein and an upper extremity vein. Sandler et al. [9] performed simultaneous injections into a central lower extremity vein and an upper extremity vein, with a catheter placed in the central femoral vein under so ...
Atresia of the Coronary Sinus Ostium to the Right Atrium with a
... CAETANO, A. G.; RIBEIRO, T. C.; FILHO, O. A. R. & FAZAN, V. P. S. Atresia of the coronary sinus ostium to the right atrium with a persistent left superior vena cava. Int. J. Morphol., 27(3):771-776, 2009. SUMMARY: The coronary sinus has lately assumed an important role in the cardiologic clinic once ...
... CAETANO, A. G.; RIBEIRO, T. C.; FILHO, O. A. R. & FAZAN, V. P. S. Atresia of the coronary sinus ostium to the right atrium with a persistent left superior vena cava. Int. J. Morphol., 27(3):771-776, 2009. SUMMARY: The coronary sinus has lately assumed an important role in the cardiologic clinic once ...
the cardioregulatory system of crayfish
... of accelerators, arising from the suboesophageal ganglion. They are the second and third superior nerves (inhibitors and accelerators, respectively) which are designated SN II and SN III in Fig. 1. The inhibitor emerges from a medial, rectangular foramen of the endophragmal skeleton, above the suboe ...
... of accelerators, arising from the suboesophageal ganglion. They are the second and third superior nerves (inhibitors and accelerators, respectively) which are designated SN II and SN III in Fig. 1. The inhibitor emerges from a medial, rectangular foramen of the endophragmal skeleton, above the suboe ...
Online Appendix for the following October 20 JACC article
... significant alteration of Ca2+ transients, but it did not have a positive chronotropic effect (16). There are many reports on the genetic etiologies of DCM and the decreased Ca2+ sensitivity of cardiac muscle contraction was presumed to be a pathophysiological alteration due to the genetic abnormal ...
... significant alteration of Ca2+ transients, but it did not have a positive chronotropic effect (16). There are many reports on the genetic etiologies of DCM and the decreased Ca2+ sensitivity of cardiac muscle contraction was presumed to be a pathophysiological alteration due to the genetic abnormal ...
L1- Heart
... Ventricular part , the right 2/3 is formed by right ventricle, while the left l1/3 is formed by left ventricle. The 2 ventricles are separated by anterior interventricular groove, which lodges : Anterior interventricular artery (branch of left coronary). Great cardiac vein. The coronary gr ...
... Ventricular part , the right 2/3 is formed by right ventricle, while the left l1/3 is formed by left ventricle. The 2 ventricles are separated by anterior interventricular groove, which lodges : Anterior interventricular artery (branch of left coronary). Great cardiac vein. The coronary gr ...
Emergency echocardiography: the European Association of
... with unstable cardiovascular diseases. Mobility and relative low cost of echocardiographic machines, including hand-held devices, allow their use virtually everywhere.1 – 4 In addition, in expert hands, echocardiography may provide instantaneous and comprehensive assessment of cardiac structure and ...
... with unstable cardiovascular diseases. Mobility and relative low cost of echocardiographic machines, including hand-held devices, allow their use virtually everywhere.1 – 4 In addition, in expert hands, echocardiography may provide instantaneous and comprehensive assessment of cardiac structure and ...
Intraoperative Recording of Specialized Atrioventricular Conduction
... Thirteen patients were operated on for primary repair of complete AV canal, with successful electrophysiologic delineation of the specialized conduction tissue. These patients were considerably younger at the time of surgery (median age 4 years) than those with incomplete AV canal. Two patients (15 ...
... Thirteen patients were operated on for primary repair of complete AV canal, with successful electrophysiologic delineation of the specialized conduction tissue. These patients were considerably younger at the time of surgery (median age 4 years) than those with incomplete AV canal. Two patients (15 ...
Branches of Right Coronary Artery
... Conducting system of Heart S-A Node: Right coronary artery (60%) Left coronary artery (40%) A-V Node and A-V Bundle: Right coronary artery Right Bundle branch: Left coronary artery Left Bundle branch: Right & Left coronary ...
... Conducting system of Heart S-A Node: Right coronary artery (60%) Left coronary artery (40%) A-V Node and A-V Bundle: Right coronary artery Right Bundle branch: Left coronary artery Left Bundle branch: Right & Left coronary ...
Article - Westside Medical Imaging
... coronary vessels were: sensitivity 95%, specificity 96%, positive predictive value 97%, and negative predictive value 92%. A vessel-by-vessel accuracy analysis was conducted to determine the level of agreement between catheter angiography and 64-slice CVCT (table 2). Vein grafts evaluated among post ...
... coronary vessels were: sensitivity 95%, specificity 96%, positive predictive value 97%, and negative predictive value 92%. A vessel-by-vessel accuracy analysis was conducted to determine the level of agreement between catheter angiography and 64-slice CVCT (table 2). Vein grafts evaluated among post ...
The Autonomic Nervous System and Atrial Fibrillation:The
... relationship between lesion completeness and clinical outcome… PV isolation might have interrupted pathways crucial in the genesis of AF located at the PV-LA junction…Finally, atrial debulking and/ or denervation may have contributed to suppression of AF.” Subsequent studies further amplified the qu ...
... relationship between lesion completeness and clinical outcome… PV isolation might have interrupted pathways crucial in the genesis of AF located at the PV-LA junction…Finally, atrial debulking and/ or denervation may have contributed to suppression of AF.” Subsequent studies further amplified the qu ...
Amiodarone Supplants Lidocaine in ACLS and CPR Protocols
... prospective, double-blinded, randomized study of 273 patients with life-threatening ventricular arrhythmias causing systolic blood pressure to decrease to below 80 mm Hg with clinical signs and symptoms of shock. All patients included were refractory to lidocaine, procainamide, and bretylium, and we ...
... prospective, double-blinded, randomized study of 273 patients with life-threatening ventricular arrhythmias causing systolic blood pressure to decrease to below 80 mm Hg with clinical signs and symptoms of shock. All patients included were refractory to lidocaine, procainamide, and bretylium, and we ...
24 Analysis of ECG
... letters (q, r, s). Duration of ventricular complex is 0,06-0,09 s in the standard leads Wave Q displays spread of excitation through the middle and lower thirds of the interventricular septum. It should not exceed 1/4 of prongs ʼ R amplitude in a healthy person, and its duration – 0,03 sec. But aVR- ...
... letters (q, r, s). Duration of ventricular complex is 0,06-0,09 s in the standard leads Wave Q displays spread of excitation through the middle and lower thirds of the interventricular septum. It should not exceed 1/4 of prongs ʼ R amplitude in a healthy person, and its duration – 0,03 sec. But aVR- ...
Extreme sacrifice: sudden cardiac death in the US Fire Service
... firefighting and whether responses to the strain are limited to physiologic adaptations or result in the activation of pathophysiologic pathways. Underlying cardiovascular health status is largely determined by fitness and the prevalence of cardiovascular risk factors among firefighters. In recent s ...
... firefighting and whether responses to the strain are limited to physiologic adaptations or result in the activation of pathophysiologic pathways. Underlying cardiovascular health status is largely determined by fitness and the prevalence of cardiovascular risk factors among firefighters. In recent s ...
Disordered Myocardial Ca2+ Homeostasis Results
... The mechanisms underlying AF are complex involving increased spontaneous ectopic firing of atrial cells and impulse re-entry through the atrial tissue. Triggered activity as well as impairment of Ca2+ handling and cell-to-cell coupling that may lead to altered conduction properties and multiple re-e ...
... The mechanisms underlying AF are complex involving increased spontaneous ectopic firing of atrial cells and impulse re-entry through the atrial tissue. Triggered activity as well as impairment of Ca2+ handling and cell-to-cell coupling that may lead to altered conduction properties and multiple re-e ...
Heart Blocks and Pacemakers - Calgary Emergency Medicine
... conduction system ► Associated with AV and MV repair ► Repair of VSD: including transcoronary ablation of septal hypertrophy ...
... conduction system ► Associated with AV and MV repair ► Repair of VSD: including transcoronary ablation of septal hypertrophy ...
Current burden of sudden cardiac death: Multiple source
... phenotyping for this complex condition—an essential prerequisite for the application of new genomic strategies for the advancement of SCD mechanisms (9). Finally, such an approach would also furnish the prospective gold standard against which the validity of death certificate-based surveillance coul ...
... phenotyping for this complex condition—an essential prerequisite for the application of new genomic strategies for the advancement of SCD mechanisms (9). Finally, such an approach would also furnish the prospective gold standard against which the validity of death certificate-based surveillance coul ...
Metastatic Cancer to the Heart
... rupture of the posterior wall of the left atrium was observed. No other case of cardiae rupture froin metastatie caneer has been reported. The electrocardiogram has been of some help in the diagnosis of metastatic cancer to the heart. Bisel et al.29 reported that eardiae metastases may cause T-wave ...
... rupture of the posterior wall of the left atrium was observed. No other case of cardiae rupture froin metastatie caneer has been reported. The electrocardiogram has been of some help in the diagnosis of metastatic cancer to the heart. Bisel et al.29 reported that eardiae metastases may cause T-wave ...
Cardiovascular Response to Exercise: Static v/s Dynamic.
... myocardium and causes it to contract more forcibly in accordance with the Frank-Starling law of the heart. Contractility of the myocardium is also enhanced by the sympathetic nervous system, which is activated during physical activity. Thus, an increase in the left ventricular end–diastolic volume a ...
... myocardium and causes it to contract more forcibly in accordance with the Frank-Starling law of the heart. Contractility of the myocardium is also enhanced by the sympathetic nervous system, which is activated during physical activity. Thus, an increase in the left ventricular end–diastolic volume a ...
chapter_043 basic emergency care unit 6 assisting with care needs
... Defibrillation as soon as possible after the onset of VF increases the person’s chance of survival. CPR is done if the person: ...
... Defibrillation as soon as possible after the onset of VF increases the person’s chance of survival. CPR is done if the person: ...
Diagnostic evaluation and management of chronic thromboembolic
... Université Laval, Québec, Québec; 4University of Ottawa Heart Institute, Division of Cardiac Surgery, University of Ottawa, Ottawa; 5Toronto Pulmonary Endarterectomy Program, University of Toronto, Division of Thoracic Surgery, Toronto General Hospital, Toronto, Ontario; 6Division of Hematology, Dep ...
... Université Laval, Québec, Québec; 4University of Ottawa Heart Institute, Division of Cardiac Surgery, University of Ottawa, Ottawa; 5Toronto Pulmonary Endarterectomy Program, University of Toronto, Division of Thoracic Surgery, Toronto General Hospital, Toronto, Ontario; 6Division of Hematology, Dep ...
Ventricular Assist Devices
... *NYHA Class III = marked limitation of physical activity; less than ordinary activity leads to symptoms *NYHA Class IV = inability to carry on any activity without symptoms; symptoms may be present at rest 4. For use to provide temporary left sided mechanical circulatory support as a bridge to cardi ...
... *NYHA Class III = marked limitation of physical activity; less than ordinary activity leads to symptoms *NYHA Class IV = inability to carry on any activity without symptoms; symptoms may be present at rest 4. For use to provide temporary left sided mechanical circulatory support as a bridge to cardi ...
PDF - Journal of Cardiovascular Magnetic Resonance
... changes are most frequently seen in athletes who undergo prolonged periods of endurance training [3]. Although less well established, there is also evidence for changes in functional parameters in the hearts of trained athletes. Endurance athletes have reduced ejection fraction, circumferential and ...
... changes are most frequently seen in athletes who undergo prolonged periods of endurance training [3]. Although less well established, there is also evidence for changes in functional parameters in the hearts of trained athletes. Endurance athletes have reduced ejection fraction, circumferential and ...
Flow through Collapsible Tubes at High Reynolds Numbers
... very similar to that used in a previous study (Lyon et al., 1980). The physical model (Fig. 1) consisted of flexible latex Penrose tubing (American Hospital Supply) enclosed in an 8,000-ml airtight transparent Plexiglas box. The Penrose tubing was 1.27 cm in diameter when expanded, 7.5 cm long, and ...
... very similar to that used in a previous study (Lyon et al., 1980). The physical model (Fig. 1) consisted of flexible latex Penrose tubing (American Hospital Supply) enclosed in an 8,000-ml airtight transparent Plexiglas box. The Penrose tubing was 1.27 cm in diameter when expanded, 7.5 cm long, and ...
Effects of simultaneous or elective percutaneous coronary
... treatment of non-infarction related arteries (NIRA) on clinical outcome in over 70-year-old patients with ST-elevation myocardial infarction (STEMI) combined with multi-vessel lesions. Methods: A total of 70 patients aged over 70 yeas that had acute STEMI combined with multi-vessel lesions and recei ...
... treatment of non-infarction related arteries (NIRA) on clinical outcome in over 70-year-old patients with ST-elevation myocardial infarction (STEMI) combined with multi-vessel lesions. Methods: A total of 70 patients aged over 70 yeas that had acute STEMI combined with multi-vessel lesions and recei ...
the abc`s of ekg intreptation
... initial impulse to fire at the Sino Atria Node (Sinus Node) and then ends in the contracting of the Ventricles. Normally, the impulse starts at the SA Node, and then travels down the internodal pathways stimulating the atria. The impulse then pauses briefly at the AV node to allow complete contracti ...
... initial impulse to fire at the Sino Atria Node (Sinus Node) and then ends in the contracting of the Ventricles. Normally, the impulse starts at the SA Node, and then travels down the internodal pathways stimulating the atria. The impulse then pauses briefly at the AV node to allow complete contracti ...