Heart Notes
... c. Cross between muscle and nervous tissue d. Causes heart muscle to depolarize in only one direction e. Enforces a contraction rate of approximately 75 beats/min. helping the heart to keep beating as a coordinated unit Sinoatrial Node (SA) Right Atrium- most important part of ICS Atrioventricular ( ...
... c. Cross between muscle and nervous tissue d. Causes heart muscle to depolarize in only one direction e. Enforces a contraction rate of approximately 75 beats/min. helping the heart to keep beating as a coordinated unit Sinoatrial Node (SA) Right Atrium- most important part of ICS Atrioventricular ( ...
is your heart in good shape
... Coronary heart disease ( which is the narrowing of blood vessels to the heart.) This limits the blood supply. Smoking, high cholesterol levels, obesity or diabetes can lead to coronary heart disease. A heart attack can damage the muscles leading to heart failure. High blood pressure-If the pre ...
... Coronary heart disease ( which is the narrowing of blood vessels to the heart.) This limits the blood supply. Smoking, high cholesterol levels, obesity or diabetes can lead to coronary heart disease. A heart attack can damage the muscles leading to heart failure. High blood pressure-If the pre ...
After training, both the students and residents in the SAM group
... To the Editor, Although the first case was described more than 20 years ago, recent years have seen a marked increase in reports of cases of acute coronary syndrome in the context of allergic reactions, known as Kounis syndrome. Traditionally, 2 variants of the syndrome were reported:type I (due to ...
... To the Editor, Although the first case was described more than 20 years ago, recent years have seen a marked increase in reports of cases of acute coronary syndrome in the context of allergic reactions, known as Kounis syndrome. Traditionally, 2 variants of the syndrome were reported:type I (due to ...
Cardiovascular Risk Factors and Atrial Fibrillation: What is the
... Yaariv Khaykin Heart Rhythm Program, Southlake Regional Health Center, Newmarket, Ontario, Canada. ...
... Yaariv Khaykin Heart Rhythm Program, Southlake Regional Health Center, Newmarket, Ontario, Canada. ...
atrial flutter with complete heart block - Heart
... In 1957 he was admitted to hospital with severe vertigo, vomiting, and paraesthesiae down the left half of the body due to thrombosis of the right posterior inferior cerebellar artery. He also described central chest pain on effort, rapidly relieved by rest, and present for the previous five years. ...
... In 1957 he was admitted to hospital with severe vertigo, vomiting, and paraesthesiae down the left half of the body due to thrombosis of the right posterior inferior cerebellar artery. He also described central chest pain on effort, rapidly relieved by rest, and present for the previous five years. ...
Cardiovascular Testing Guide
... (the two are compared by the doctor). The nuclear substance most often used in our office is sestamibi (Cardiolite). Thallium may also be used. The substance adds no more risk to the stress test. (i) Persantine or Adenosine Cardiolite stress testing is a resting stress test for individuals who may h ...
... (the two are compared by the doctor). The nuclear substance most often used in our office is sestamibi (Cardiolite). Thallium may also be used. The substance adds no more risk to the stress test. (i) Persantine or Adenosine Cardiolite stress testing is a resting stress test for individuals who may h ...
The benefits of CRT for NYHA II-III HF patients with a wide QRS, low
... patients with a wide QRS, low LVEF ≤ 35% and optimal medical therapy is established • The benefits are greater with wider QRS duration and/or LBBB, demonstrating the role of electrical dyssynchrony • However, the effect of LVEF on CRT outcomes is less clear. Recent sub-studies indicate that CRT be ...
... patients with a wide QRS, low LVEF ≤ 35% and optimal medical therapy is established • The benefits are greater with wider QRS duration and/or LBBB, demonstrating the role of electrical dyssynchrony • However, the effect of LVEF on CRT outcomes is less clear. Recent sub-studies indicate that CRT be ...
EMS Cardiac Confusion By Lynn Wallis EMT
... cause ineffective contractions of the atria. In fact, the atria quiver rather than beat as a unit. This reduces the ability of the atria to pump blood into the ventricles. These rapid and irregular electrical discharges from the atria then pass through the AV node and into the ventricles, causing th ...
... cause ineffective contractions of the atria. In fact, the atria quiver rather than beat as a unit. This reduces the ability of the atria to pump blood into the ventricles. These rapid and irregular electrical discharges from the atria then pass through the AV node and into the ventricles, causing th ...
Structure of the Human Heart
... pumps blood , therefore, must be strong. The cardiac muscle contracts it push blood into the vessels. Nerves connected to the heart regulate the speed of muscle contract. When you run, your heart pumps more quickly. When you sleep, your heart pumps more slowly. To monitor the heart, scientists can u ...
... pumps blood , therefore, must be strong. The cardiac muscle contracts it push blood into the vessels. Nerves connected to the heart regulate the speed of muscle contract. When you run, your heart pumps more quickly. When you sleep, your heart pumps more slowly. To monitor the heart, scientists can u ...
Heart Rate Variability (HRV)
... Any reading below this indicates that the parasympathetic nervous system is under active, while any reading above this threshold may indicate a hyper functioning situation. In physiological terms, the parasympathetic system is concerned with conservation and restoration of energy, as it causes a red ...
... Any reading below this indicates that the parasympathetic nervous system is under active, while any reading above this threshold may indicate a hyper functioning situation. In physiological terms, the parasympathetic system is concerned with conservation and restoration of energy, as it causes a red ...
Chapter 19 - McGraw Hill Higher Education
... • passes around left side of heart in coronary sulcus, supplies left atrium and posterior wall of left ventricle ...
... • passes around left side of heart in coronary sulcus, supplies left atrium and posterior wall of left ventricle ...
Chapter 19
... • passes around left side of heart in coronary sulcus, supplies left atrium and posterior wall of left ventricle ...
... • passes around left side of heart in coronary sulcus, supplies left atrium and posterior wall of left ventricle ...
Bio 449 Lecture 3 Outline Aug. 30, 2008
... Isovolemic relaxation Ventricular ejection Heart rate Stroke volume Cardiac output Starling's Law of the Heart Poiseuille's Law Viscosity Total peripheral resistance (TPR) Mean arterial pressure (MAP) Central venous pressure (CVP) Vasodilation Vasoconstriction Active hyperemia Nitric oxide ...
... Isovolemic relaxation Ventricular ejection Heart rate Stroke volume Cardiac output Starling's Law of the Heart Poiseuille's Law Viscosity Total peripheral resistance (TPR) Mean arterial pressure (MAP) Central venous pressure (CVP) Vasodilation Vasoconstriction Active hyperemia Nitric oxide ...
Ch 20 Notes: The Heart 2014
... So, veins carry deoxygenated blood (except PULMONARY VEINS, which carry oxygenated blood from the lungs to the left atrium of the heart). Note: The umbilical vein in the fetal circulation also carries oxygenated blood. Arteries carry oxygenated blood (except the PULMONARY ARTERY, which carries deoxy ...
... So, veins carry deoxygenated blood (except PULMONARY VEINS, which carry oxygenated blood from the lungs to the left atrium of the heart). Note: The umbilical vein in the fetal circulation also carries oxygenated blood. Arteries carry oxygenated blood (except the PULMONARY ARTERY, which carries deoxy ...
Figuring Out Cardiac Anatomy: Your Heart - heart-of
... Together, the left atrium and the right atrium are the atria (plural). A membrane called the interatrial septum separates the atria, and a membrane called theinterventricular septum separates the two ventricles. Each chamber of the heart plays a specific role in pumping blood, and the anatomy of eac ...
... Together, the left atrium and the right atrium are the atria (plural). A membrane called the interatrial septum separates the atria, and a membrane called theinterventricular septum separates the two ventricles. Each chamber of the heart plays a specific role in pumping blood, and the anatomy of eac ...
Arrhythmias Present Pilots With Range of Risks
... of the ventricles; and the T wave, which measures the heart’s electrical repolarization and its return to the resting state. The shape and size of the waves and the time between the waves can be analyzed for information about how long electrical impulses take to travel through the atria, the atriove ...
... of the ventricles; and the T wave, which measures the heart’s electrical repolarization and its return to the resting state. The shape and size of the waves and the time between the waves can be analyzed for information about how long electrical impulses take to travel through the atria, the atriove ...
Indications - Cecchini Cuore
... - Heart rate <40 beats/min spontaneously or in the presence of essential medical therapy when clinically important symptoms are not correlated with bradycardia - Syncope and abnormal sinus node function documented in electrophysiologic study - Heart rate <40 beats/min and minimal symptoms ...
... - Heart rate <40 beats/min spontaneously or in the presence of essential medical therapy when clinically important symptoms are not correlated with bradycardia - Syncope and abnormal sinus node function documented in electrophysiologic study - Heart rate <40 beats/min and minimal symptoms ...
The Evolution of ICD Therapy:
... Other Temporary Pacing Indications Drug-Refractory Dysrhythmia Overdrive ventricular pacing to suppress ...
... Other Temporary Pacing Indications Drug-Refractory Dysrhythmia Overdrive ventricular pacing to suppress ...
Innocent Heart Murmurs - Metropolitan Community College
... – How faint or loud the sound is. Your doctor will grade the murmur on a scale of 1 to 6 (1 is very faint and 6 is very loud). – When the sound occurs in the cycle of the heartbeat. – Exactly where the sound is heard in the chest and whether it also can be heard in the neck or back. – Whether the so ...
... – How faint or loud the sound is. Your doctor will grade the murmur on a scale of 1 to 6 (1 is very faint and 6 is very loud). – When the sound occurs in the cycle of the heartbeat. – Exactly where the sound is heard in the chest and whether it also can be heard in the neck or back. – Whether the so ...
Automated External Defibrillation
... In the United Kingdom, there are some 70’000 lives taken by sudden cardiac arrest (SCA). SCA is probably the leading cause of death in U. K. and is one of the major public health problems. SCA in adults is caused by an abnormal, chaotic heart rhythm called ventricular fibrillation (VF). This abnorma ...
... In the United Kingdom, there are some 70’000 lives taken by sudden cardiac arrest (SCA). SCA is probably the leading cause of death in U. K. and is one of the major public health problems. SCA in adults is caused by an abnormal, chaotic heart rhythm called ventricular fibrillation (VF). This abnorma ...
Verapamil-induced polymorphous ventricular tachycardia
... to cease (l). Simultaneously, verapamil induces a catecholamine surge, in part because of its hypotensive effects. Thus, a high state of adrenergic tone could have resulted in triggered forms of automaticity and caused the particular arrhythmia. Myocardial ischemia due to profound hypotension may ca ...
... to cease (l). Simultaneously, verapamil induces a catecholamine surge, in part because of its hypotensive effects. Thus, a high state of adrenergic tone could have resulted in triggered forms of automaticity and caused the particular arrhythmia. Myocardial ischemia due to profound hypotension may ca ...