Ischemic Heart Disease
... In most patients the myocardial ischemia underlying unstable angina, acute MI, and (in many cases) sudden cardiac death is precipitated by abrupt plaque change followed by thrombosis . Most often, the initiating event is disruption of previously only partially stenosing plaques with any of the follo ...
... In most patients the myocardial ischemia underlying unstable angina, acute MI, and (in many cases) sudden cardiac death is precipitated by abrupt plaque change followed by thrombosis . Most often, the initiating event is disruption of previously only partially stenosing plaques with any of the follo ...
The adaption of the cardiovascular system to long
... Resting heart rate can decrease significantly following training in a previously sedentary individual. During a 10-week exercise program, an individual with an initial resting heart rate of 80beats/min can reasonably expect to see a reduction of about 10beats/min in their resting heart rate. A ...
... Resting heart rate can decrease significantly following training in a previously sedentary individual. During a 10-week exercise program, an individual with an initial resting heart rate of 80beats/min can reasonably expect to see a reduction of about 10beats/min in their resting heart rate. A ...
Rhythm or rate control in persistent atrial fibrillation
... undergoing this procedure failed to have an ablation because there was insufficient ectopy to allow localization of the origin of the arrhythmia [7] . In addition, some patients can have multiple triggers, dramatically reducing the success rates for this intervention. Because of these obstacles, the ...
... undergoing this procedure failed to have an ablation because there was insufficient ectopy to allow localization of the origin of the arrhythmia [7] . In addition, some patients can have multiple triggers, dramatically reducing the success rates for this intervention. Because of these obstacles, the ...
Anatomy lecture 22 (heart)
... Blood and nerve supply of pericardium: ()كل وا حد ياخد من األُريب منو ويتعامل معاملته The visceral layer of serous pericardium will take the innervation and the blood supply just like the heart. The fibrous pericardium and the parietal layer will take the innervation and the blood supply just ...
... Blood and nerve supply of pericardium: ()كل وا حد ياخد من األُريب منو ويتعامل معاملته The visceral layer of serous pericardium will take the innervation and the blood supply just like the heart. The fibrous pericardium and the parietal layer will take the innervation and the blood supply just ...
Cardiovascular Anatomy Physiology
... Automaticity: Specialized cardiac cells can discharge an electrical current without an external pacemaker, or stimulus. Autonomic Nervous System: Comprised of the sympathetic and parasympathetic nervous systems. Baroreceptors: Are sensors located in the aortic arch, the carotid bodies of the exter ...
... Automaticity: Specialized cardiac cells can discharge an electrical current without an external pacemaker, or stimulus. Autonomic Nervous System: Comprised of the sympathetic and parasympathetic nervous systems. Baroreceptors: Are sensors located in the aortic arch, the carotid bodies of the exter ...
After reading this chapter you will be able to
... Right axis deviation is common P waves larger due to right atrial enlargement • Leads II, III, and aVF Prominent and negative P wave in lead I May have changes associated with cor pulmonale • Increase R-wave size on leads V1, V2, and V3 • Reduced size of QRS in leads I, II, III, V5, and V6 ...
... Right axis deviation is common P waves larger due to right atrial enlargement • Leads II, III, and aVF Prominent and negative P wave in lead I May have changes associated with cor pulmonale • Increase R-wave size on leads V1, V2, and V3 • Reduced size of QRS in leads I, II, III, V5, and V6 ...
Mario S. Verani Sanjiv Kaul, Warren K. Laskey, Dudley J. Pennell
... (4) Provide adequate sampling of the left ventricle and coronary distribution without exceeding the resolution limits of the imaging modalities or relevance for clinical and research applications. (5) Allow linkage of the segments to known coronary arterial topography as defined by coronary angiogra ...
... (4) Provide adequate sampling of the left ventricle and coronary distribution without exceeding the resolution limits of the imaging modalities or relevance for clinical and research applications. (5) Allow linkage of the segments to known coronary arterial topography as defined by coronary angiogra ...
Fulltext: english,
... showed improvement in both systolic and diastolic function of LV and the need for diuretic was lowered. The fact that no significant increase in hemoglobin level was noted during the follow-up led us to believe that some mechanisms of direct effect of EPO on myocardial tissue have been involved in i ...
... showed improvement in both systolic and diastolic function of LV and the need for diuretic was lowered. The fact that no significant increase in hemoglobin level was noted during the follow-up led us to believe that some mechanisms of direct effect of EPO on myocardial tissue have been involved in i ...
Prognostic benefits of heart rate reduction in cardiovascular disease
... disturbances that lead to hypertension, atherosclerosis and increased cardiovascular morbidity and mortality. In this respect, elevated heart rate can be considered a marker of risk. Whole body temperature and energy needs are controlled by heart activity, and the ‘language’ employed by the heart co ...
... disturbances that lead to hypertension, atherosclerosis and increased cardiovascular morbidity and mortality. In this respect, elevated heart rate can be considered a marker of risk. Whole body temperature and energy needs are controlled by heart activity, and the ‘language’ employed by the heart co ...
Most relevant technological advancements in cardiac pacing
... Remote monitoring from a distance of pacemakers and cardioverter defibrillators ...
... Remote monitoring from a distance of pacemakers and cardioverter defibrillators ...
The Heart韦素丽课件
... atrial septal defects (ASD)房间隔缺损 coronary sulcus冠状沟 anterior / posterior interventricular groove前/后室间沟 left / right atrioventricular orifice左/右房室口 fossa ovalis卵圆窝 ...
... atrial septal defects (ASD)房间隔缺损 coronary sulcus冠状沟 anterior / posterior interventricular groove前/后室间沟 left / right atrioventricular orifice左/右房室口 fossa ovalis卵圆窝 ...
Standardized Myocardial Segmentation and Nomenclature for
... (4) Provide adequate sampling of the left ventricle and coronary distribution without exceeding the resolution limits of the imaging modalities or relevance for clinical and research applications. (5) Allow linkage of the segments to known coronary arterial topography as defined by coronary angiogra ...
... (4) Provide adequate sampling of the left ventricle and coronary distribution without exceeding the resolution limits of the imaging modalities or relevance for clinical and research applications. (5) Allow linkage of the segments to known coronary arterial topography as defined by coronary angiogra ...
Sudden death due to arrhythmogenic right ventricular
... Pelliccia A, Fagard R, Bjornstad HH, Anastassakis A, Arbustini E, Assanelli D, et al. Recommendations for competitive sports participation in athletes with cardiovascular disease - A consensus document from the Study Group of Sports Cardiology of the Working Group of Cardiac Rehabilitation and Exerc ...
... Pelliccia A, Fagard R, Bjornstad HH, Anastassakis A, Arbustini E, Assanelli D, et al. Recommendations for competitive sports participation in athletes with cardiovascular disease - A consensus document from the Study Group of Sports Cardiology of the Working Group of Cardiac Rehabilitation and Exerc ...
AF ABLATION CLINIC Guidelines
... NURSE PRACTITIONER GUIDELINES 1. BACKGROUND AF Ablation clinic has guidelines in place to assist Nurse Practitioners to make appropriate decisions regarding the specific clinical needs of patients. This document will reflect current best practice guidelines as well as legislation that affects nurse ...
... NURSE PRACTITIONER GUIDELINES 1. BACKGROUND AF Ablation clinic has guidelines in place to assist Nurse Practitioners to make appropriate decisions regarding the specific clinical needs of patients. This document will reflect current best practice guidelines as well as legislation that affects nurse ...
Acetylcholine and Electrolyte Metabolism in the Various Chambers
... reported the presence of the acetylcholinecholinesterase system in the gill plates of the mussel Mytilus edulis, a nerveless structure. Girvin and Stevenson18 have described a choline acetylating system in Lactobacillus plant arum. The presence of large amounts of sodium in pacemaker tissue is very ...
... reported the presence of the acetylcholinecholinesterase system in the gill plates of the mussel Mytilus edulis, a nerveless structure. Girvin and Stevenson18 have described a choline acetylating system in Lactobacillus plant arum. The presence of large amounts of sodium in pacemaker tissue is very ...
DOI: 10.1161/CIRCULATIONAHA.108.191098 published online Feb
... Concept of Anatomically Contiguous Leads The current ECG standards for diagnosing acute ischemia/ infarction require that ST-segment elevation be present in 2 or more contiguous leads and that the elevation of the ST segment at the J point be greater than 0.2 mV (2 mm with standard calibration) in l ...
... Concept of Anatomically Contiguous Leads The current ECG standards for diagnosing acute ischemia/ infarction require that ST-segment elevation be present in 2 or more contiguous leads and that the elevation of the ST segment at the J point be greater than 0.2 mV (2 mm with standard calibration) in l ...
Treatment of Congestive Cardiac Failure
... heart failure requiring heart transplantation in our locality is quite different from that in Western population. In contrast to Western countries where coronary artery disease is the major cause of endstage heart failure, in our locality, valvular heart disease accounts for more than one-third (37% ...
... heart failure requiring heart transplantation in our locality is quite different from that in Western population. In contrast to Western countries where coronary artery disease is the major cause of endstage heart failure, in our locality, valvular heart disease accounts for more than one-third (37% ...
Ventricular Fibrillation / Pulseless Ventricular Tachycardia
... After each intervention resume CPR immediately and reassess the rhythm after each 2 minute or 5 cycle interval. For Biphasic devices shock with energy levels following manufacturers’ recommendations (120 – 200 J). If unknown use the maximum available. For monophasic devices use 360 J. Pre-Medical Co ...
... After each intervention resume CPR immediately and reassess the rhythm after each 2 minute or 5 cycle interval. For Biphasic devices shock with energy levels following manufacturers’ recommendations (120 – 200 J). If unknown use the maximum available. For monophasic devices use 360 J. Pre-Medical Co ...
the cardioregulatory system of crayfish
... termination (30-36 sec). The tiny deflexions on the last ECG trace are muscle potentials. ...
... termination (30-36 sec). The tiny deflexions on the last ECG trace are muscle potentials. ...
Dr. Tavoosi pregnancy_0
... Moderate MS(Mean PG:8mmHg,MVA:1.8cm2 and mean gradient of 8 mmHg) Mild to moderate TR, TRG:47mmHg, PAP:52mmHg Mild aortic regurgitation Good left ventricular function ...
... Moderate MS(Mean PG:8mmHg,MVA:1.8cm2 and mean gradient of 8 mmHg) Mild to moderate TR, TRG:47mmHg, PAP:52mmHg Mild aortic regurgitation Good left ventricular function ...
Transposition of the Great Arteries
... o PA stenosis most frequent cause for re-intervention at any age o Usually related to suture lines at site of arterial anastomosis o Usually requires surgical intervention with patch angioplasty Dilation of aortic valve Atrial Switch Procedures Arrhythmias (Refer to both Peds/Neo and Adult Guide ...
... o PA stenosis most frequent cause for re-intervention at any age o Usually related to suture lines at site of arterial anastomosis o Usually requires surgical intervention with patch angioplasty Dilation of aortic valve Atrial Switch Procedures Arrhythmias (Refer to both Peds/Neo and Adult Guide ...
Neurocirculatory asthenia
... symptoms and signs produced in normal subjects by excessive exercise are called forth in the patients by lesser amounts and in which no defini teiphllsical signs of sturctural disease are anywhere discovered. (16), The smaller the amount of work required to produce these symptoms and signs the more ...
... symptoms and signs produced in normal subjects by excessive exercise are called forth in the patients by lesser amounts and in which no defini teiphllsical signs of sturctural disease are anywhere discovered. (16), The smaller the amount of work required to produce these symptoms and signs the more ...
HEART DISSECTION
... The first incision… … is along the right ventricle. The right ventricle can be identified by squeezing the heart, since the myocardium on the right side is much less rigid than that of the left ventricle. This allows us to see the tricuspid valve and the right ventricular outflow tract which includ ...
... The first incision… … is along the right ventricle. The right ventricle can be identified by squeezing the heart, since the myocardium on the right side is much less rigid than that of the left ventricle. This allows us to see the tricuspid valve and the right ventricular outflow tract which includ ...
Electrocardiography
Electrocardiography (ECG or EKG*) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body. These electrodes detect the tiny electrical changes on the skin that arise from the heart muscle depolarizing during each heartbeat.In a conventional 12 lead ECG, ten electrodes are placed on the patient's limbs and on the surface of the chest. The overall magnitude of the heart's electrical potential is then measured from twelve different angles (""leads"") and is recorded over a period of time (usually 10 seconds). In this way, the overall magnitude and direction of the heart's electrical depolarization is captured at each moment throughout the cardiac cycle. The graph of voltage versus time produced by this noninvasive medical procedure is referred to as an electrocardiogram (abbreviated ECG or EKG).During each heartbeat, a healthy heart will have an orderly progression of depolarization that starts with pacemaker cells in the sinoatrial node, spreads out through the atrium, passes through the atrioventricular node down into the bundle of His and into the Purkinje fibers spreading down and to the left throughout the ventricles. This orderly pattern of depolarization gives rise to the characteristic ECG tracing. To the trained clinician, an ECG conveys a large amount of information about the structure of the heart and the function of its electrical conduction system. Among other things, an ECG can be used to measure the rate and rhythm of heartbeats, the size and position of the heart chambers, the presence of any damage to the heart's muscle cells or conduction system, the effects of cardiac drugs, and the function of implanted pacemakers.