873
... Under normal conditions, the SA node is the prevailing pacemaker of the heart. Abnormal automaticity occurs when other cells, like cells in the atrio-ventricular node or in the His-Purkinje conduction system, undertake the SA node function [1]. Under pathological conditions, the SA node cells may re ...
... Under normal conditions, the SA node is the prevailing pacemaker of the heart. Abnormal automaticity occurs when other cells, like cells in the atrio-ventricular node or in the His-Purkinje conduction system, undertake the SA node function [1]. Under pathological conditions, the SA node cells may re ...
short communication the heart rate variability signal in rainbow trout
... (Gonzalez and De Vera, 1988). Mammals tend to have three HRVS spectral peaks and it has been shown that the high- and mid-frequency peaks are caused by parasympathetic activity whereas the low-frequency peak includes the sympathetic component together with a parasympathetic component (Akselrod et al ...
... (Gonzalez and De Vera, 1988). Mammals tend to have three HRVS spectral peaks and it has been shown that the high- and mid-frequency peaks are caused by parasympathetic activity whereas the low-frequency peak includes the sympathetic component together with a parasympathetic component (Akselrod et al ...
Long-Term ECG Trends in Atherosclerotic Mouse Subjects
... rhythm fluctuations relative to wild-type mice; STsegment elevation and depression; and an array of ECG anomalies ranging from bigeminy to 2nd and 3rd degree heart block. While the dKO mice can, and periodically do, experience self-limited episodes of ventricular tachycardia and subsequent fibrillat ...
... rhythm fluctuations relative to wild-type mice; STsegment elevation and depression; and an array of ECG anomalies ranging from bigeminy to 2nd and 3rd degree heart block. While the dKO mice can, and periodically do, experience self-limited episodes of ventricular tachycardia and subsequent fibrillat ...
Sunshine Heart Implants First Patient in C
... Combined, these potential benefits may reverse the heart failure process, thereby potentially preventing the need for laterstage heart failure devices, such as left ventricular assist devices (LVADs), artificial hearts or transplants. There is a potential additional long-term benefit of having patie ...
... Combined, these potential benefits may reverse the heart failure process, thereby potentially preventing the need for laterstage heart failure devices, such as left ventricular assist devices (LVADs), artificial hearts or transplants. There is a potential additional long-term benefit of having patie ...
Heart sounds: lub dub
... JVP. I’ll describe two important aspects of the cardiac cycle and relate these to the JVP. The document on Diastolic Heart Failure may also be helpful. The jugular venous pulse (JVP) reflects pressure changes in the superior vena cava and hence in the right atrium (RA). Cardiac cycle The heart start ...
... JVP. I’ll describe two important aspects of the cardiac cycle and relate these to the JVP. The document on Diastolic Heart Failure may also be helpful. The jugular venous pulse (JVP) reflects pressure changes in the superior vena cava and hence in the right atrium (RA). Cardiac cycle The heart start ...
Simulations of magnetocardiographic signals using realistic
... diagnostic technique. With the development of a new generation of magnetoelectric sensors it is believed that MCG will become widely accepted in the clinical diagnosis. Our goal is to build a computer-based tool for medical diagnosis and to use it for the clarification of open electro-physiological ...
... diagnostic technique. With the development of a new generation of magnetoelectric sensors it is believed that MCG will become widely accepted in the clinical diagnosis. Our goal is to build a computer-based tool for medical diagnosis and to use it for the clarification of open electro-physiological ...
ARVD Summer 2012 Newsletter
... where the closest EP to Tahoe was. I stayed a month in Reno, half the time in the hospital getting my first ablation, and my ICD implanted, and the other half with my parents in a hotel room, who were kind enough to fly out from SC. th Now to catch you up to speed in lieu of this incident, like I s ...
... where the closest EP to Tahoe was. I stayed a month in Reno, half the time in the hospital getting my first ablation, and my ICD implanted, and the other half with my parents in a hotel room, who were kind enough to fly out from SC. th Now to catch you up to speed in lieu of this incident, like I s ...
HEART DISEASE Signs and Symptoms
... Acute coronary syndrome is a general term that includes heart attack and unstable angina. Angina, a symptom of CAD, is chest pain or discomfort that occurs when the heart muscle is not getting enough blood. Angina may feel like pressure or a squeezing pain in the chest. The pain may also occur in th ...
... Acute coronary syndrome is a general term that includes heart attack and unstable angina. Angina, a symptom of CAD, is chest pain or discomfort that occurs when the heart muscle is not getting enough blood. Angina may feel like pressure or a squeezing pain in the chest. The pain may also occur in th ...
The Pattern Comparison of Changes of Heart Macro-Structure in the Fowl
... did not differ at hatching and 20 d of age in broiler. This researcher represented that at both 34 and 48 days of age males possessed longer hearts than females and also gross heart weight were heavier in males, as compared to females, at 34 and 48 d of age, but did not differ from females at hatchi ...
... did not differ at hatching and 20 d of age in broiler. This researcher represented that at both 34 and 48 days of age males possessed longer hearts than females and also gross heart weight were heavier in males, as compared to females, at 34 and 48 d of age, but did not differ from females at hatchi ...
Heart Failure in infants and neonates- an approach
... in the absence of fever or crying when accompanied by rapid respirations and hepatomegaly is indicative of HF ...
... in the absence of fever or crying when accompanied by rapid respirations and hepatomegaly is indicative of HF ...
Regulation of Cardiac Output Through Stroke Volume
... oximeter for continuous measurement of dye concentration. Beat-by-beat changes in cardiac output were measured by the pulse contour method.4 Figure 1 shows a comparison of values for stroke volume, calculated by the pulse contour method and by the dye method in a resting dog at heart rates from 70 t ...
... oximeter for continuous measurement of dye concentration. Beat-by-beat changes in cardiac output were measured by the pulse contour method.4 Figure 1 shows a comparison of values for stroke volume, calculated by the pulse contour method and by the dye method in a resting dog at heart rates from 70 t ...
Atrioventricular Valve Endocardiosis
... • If the pet develops low levels of sodium in the blood (hyponatremia), switch to a less salt (sodium)-restricted diet (such as a kidney or geriatric diet) ...
... • If the pet develops low levels of sodium in the blood (hyponatremia), switch to a less salt (sodium)-restricted diet (such as a kidney or geriatric diet) ...
atrioventricular_valve_endocardiosis
... • If the pet develops low levels of sodium in the blood (hyponatremia), switch to a less salt (sodium)-restricted diet (such as a kidney or geriatric diet) ...
... • If the pet develops low levels of sodium in the blood (hyponatremia), switch to a less salt (sodium)-restricted diet (such as a kidney or geriatric diet) ...
friends of the heart institute
... Nancy and Bill* Galardi V. Elaine and Robert Gilmore Mary Jo and Karl Gimber Sandy and Bill Goble Molly and John Gribb, MD Joyce and Steve Hanson ...
... Nancy and Bill* Galardi V. Elaine and Robert Gilmore Mary Jo and Karl Gimber Sandy and Bill Goble Molly and John Gribb, MD Joyce and Steve Hanson ...
Palpitations - Australian Doctor
... prolonged standing. The rhythm is regular but may feel forceful. When tapped out it is usually at a rate of 80-120 beats/minute. Rarely, patients who have conditions associated with an inappropriate sinus tachycardia can develop sinus rates up to 160 beats/minute while standing at rest. How do ectop ...
... prolonged standing. The rhythm is regular but may feel forceful. When tapped out it is usually at a rate of 80-120 beats/minute. Rarely, patients who have conditions associated with an inappropriate sinus tachycardia can develop sinus rates up to 160 beats/minute while standing at rest. How do ectop ...
Basic Cardiovascular System and Pathological Abnormalities
... • Sudden relief with vasovagal manuever • Chest pain - rare ...
... • Sudden relief with vasovagal manuever • Chest pain - rare ...
cardiac electrphysiology
... Network of fibers helping to spread impulse throughout ventricular walls Rapid impulse spread through ventricles: 0.08-0.09 seconds ...
... Network of fibers helping to spread impulse throughout ventricular walls Rapid impulse spread through ventricles: 0.08-0.09 seconds ...
File - Wk 1-2
... electrical potential generated by depolarisation of the ventricles before they contract the depolarisation wave spreads throughout the ventricles before they contract P wave and QRS complex are both DEPOLARISATION WAVES duration measured in lead with widest complex and should be < 2.5 small squares ...
... electrical potential generated by depolarisation of the ventricles before they contract the depolarisation wave spreads throughout the ventricles before they contract P wave and QRS complex are both DEPOLARISATION WAVES duration measured in lead with widest complex and should be < 2.5 small squares ...
File - Sasha Yunick`s E
... which consists of mostly low sodium foods. The reason for teaching the patient about her diet is because reducing sodium intake can treat edema related to heart failure. To make this easier for the client, she should be taught about the DASH diet, which is rich in fruits, vegetables, low fat or non ...
... which consists of mostly low sodium foods. The reason for teaching the patient about her diet is because reducing sodium intake can treat edema related to heart failure. To make this easier for the client, she should be taught about the DASH diet, which is rich in fruits, vegetables, low fat or non ...
Document
... The heart rate is established by the SA node, as modified by autonomic activity, hormones, ions, etc. From there, the stimulus is conducted through the atrium to the AV node, the AV bundle, the bundle branches, and Purkinje fibers to the ventricular myocardium. The ECG shows the electrical events as ...
... The heart rate is established by the SA node, as modified by autonomic activity, hormones, ions, etc. From there, the stimulus is conducted through the atrium to the AV node, the AV bundle, the bundle branches, and Purkinje fibers to the ventricular myocardium. The ECG shows the electrical events as ...
File
... Temperatures outside the human body affect many organs within it, the heart being one of them. Some people are concerned about being out in cold temperatures and what effect it has on the human body. We formed an experiment to determine whether cold temperatures had an effect on heart rate, compared ...
... Temperatures outside the human body affect many organs within it, the heart being one of them. Some people are concerned about being out in cold temperatures and what effect it has on the human body. We formed an experiment to determine whether cold temperatures had an effect on heart rate, compared ...
Ventricular Septal Defect (VSD)
... Normally, the left side of the heart only pumps blood to the body, and the heart’s right side only pumps blood to the lungs. When a large opening exists between the ventricles, a large amount of oxygen-rich (red) blood from the heart’s left side is forced through the defect into the right side. This ...
... Normally, the left side of the heart only pumps blood to the body, and the heart’s right side only pumps blood to the lungs. When a large opening exists between the ventricles, a large amount of oxygen-rich (red) blood from the heart’s left side is forced through the defect into the right side. This ...
Acetylcholine
... Hypothesis: Lidocaine is a topical anesthetic that interferes with voltage-gated channels. It was predicted that the heart rate would decrease in the presence of Lidocaine. Results: According to the data, Daphnia heart rate decreased significantly in the presence of Lidocaine. This finding agrees wi ...
... Hypothesis: Lidocaine is a topical anesthetic that interferes with voltage-gated channels. It was predicted that the heart rate would decrease in the presence of Lidocaine. Results: According to the data, Daphnia heart rate decreased significantly in the presence of Lidocaine. This finding agrees wi ...