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... Possible mechanisms by which overloading can cause progressive deterioration of the heart (cardiomyopathy of overload). Several mechanisms, including myocyte stretch, activate a growth response that initiates myocardial hypertrophy in the overloaded heart (left). The same growth response can also ac ...
... Possible mechanisms by which overloading can cause progressive deterioration of the heart (cardiomyopathy of overload). Several mechanisms, including myocyte stretch, activate a growth response that initiates myocardial hypertrophy in the overloaded heart (left). The same growth response can also ac ...
Antiarrythmic drugs
... can be given I.V. ( common route) more effective in ventricular than in atrial arrhythmias less depressant on cardiac contractility Weak anticholinergic or α-blocking actions ...
... can be given I.V. ( common route) more effective in ventricular than in atrial arrhythmias less depressant on cardiac contractility Weak anticholinergic or α-blocking actions ...
Circulatory system Study Guide (ch.13)
... Anatomical position of the heart Know the names, locations, and functions of the four heart’s chambers. Know the name and location of three surrounding layers of the heart. Be able to trace the flow of blood within different parts of heart (into and out of the heart). Know the names, location and fu ...
... Anatomical position of the heart Know the names, locations, and functions of the four heart’s chambers. Know the name and location of three surrounding layers of the heart. Be able to trace the flow of blood within different parts of heart (into and out of the heart). Know the names, location and fu ...
Cardiovascular System Part 2 - Monona Grove School District
... in the “Normal” or “Slide Sorter” views. All animations will appear after viewing in Presentation Mode and playing each animation. Most animations will require the latest version of the Flash Player, which is available at http://get.adobe.com/flashplayer. ...
... in the “Normal” or “Slide Sorter” views. All animations will appear after viewing in Presentation Mode and playing each animation. Most animations will require the latest version of the Flash Player, which is available at http://get.adobe.com/flashplayer. ...
What`s Next: Beyond the EKG, to a Hypersensitive Heart
... initiatiop sites of arrhythmic activity in the heart with an accuracy of 10 millimeters or better." Normally, he said, detailed information on such activity could be obtained only by putting electrodes in direct contact with the heart. In the technique, the patient slips on the vest for simultaneous ...
... initiatiop sites of arrhythmic activity in the heart with an accuracy of 10 millimeters or better." Normally, he said, detailed information on such activity could be obtained only by putting electrodes in direct contact with the heart. In the technique, the patient slips on the vest for simultaneous ...
Cardiac Conducting System
... Cardiac Conducting System Cardiac muscle tissue contracts on its own No neural nor hormonal control “autorhythmicity’ Specialized cells: initiate and distribute depolarization ...
... Cardiac Conducting System Cardiac muscle tissue contracts on its own No neural nor hormonal control “autorhythmicity’ Specialized cells: initiate and distribute depolarization ...
Evaluation of AF
... Definition Atrial fibrillation/flutter is a disorder of heart rhythm (arrhythmia) usually with rapid heart rate, in which the upper heart chambers (atria) are stimulated to contract in a very disorganized and abnormal manner. ...
... Definition Atrial fibrillation/flutter is a disorder of heart rhythm (arrhythmia) usually with rapid heart rate, in which the upper heart chambers (atria) are stimulated to contract in a very disorganized and abnormal manner. ...
Unit 6- p3 heart
... *Location allows for CPR Heart Covering: the heart is enclosed in a ______________________________________________; ...
... *Location allows for CPR Heart Covering: the heart is enclosed in a ______________________________________________; ...
Path of Cardiac Excitation Electrocardiogram
... – depolar. of ventricles just before contraction – also atrial repolarization ...
... – depolar. of ventricles just before contraction – also atrial repolarization ...
P215 - Basic Human Physiology
... Path of Cardiac Excitation • SA node cells produce APs • Atrial fibers activated – atrial contraction ...
... Path of Cardiac Excitation • SA node cells produce APs • Atrial fibers activated – atrial contraction ...
Heart Physiology
... CONDUCTION SYSTEM OF THE HEART continued - Atrioventricular (AV) Node * Rt. atrium (interatrial septum) * Action potential spreads to: - Atrioventricular Bundle (Bundle of His) * Only electrical pathway between atria & ventricles (C.T.Block) * Interventricular septum * Carries action potential thro ...
... CONDUCTION SYSTEM OF THE HEART continued - Atrioventricular (AV) Node * Rt. atrium (interatrial septum) * Action potential spreads to: - Atrioventricular Bundle (Bundle of His) * Only electrical pathway between atria & ventricles (C.T.Block) * Interventricular septum * Carries action potential thro ...
Low Cardiac Output
... acquired pediatric heart disease and cardiomyopathy 0.001% annual risk in general pediatric population 1-3% annual risk in many repaired CHD 4-6% risk in HCM 25-30% risk in dilated cardiomyopathy ...
... acquired pediatric heart disease and cardiomyopathy 0.001% annual risk in general pediatric population 1-3% annual risk in many repaired CHD 4-6% risk in HCM 25-30% risk in dilated cardiomyopathy ...
IDIOPATHIC HYPERTROPHIC SUBAORTIC STENOSIS (IHSS)
... GENERAL MEASURES • Diagnostic tests may include cardiac catheterization to measure blood flow through heart chambers, X-rays of the heart, ECG (electrocardiogram—method of diagnosing heart diseases by measuring electrical activity of the heart) and echocardiogram (studying the heart by examining sou ...
... GENERAL MEASURES • Diagnostic tests may include cardiac catheterization to measure blood flow through heart chambers, X-rays of the heart, ECG (electrocardiogram—method of diagnosing heart diseases by measuring electrical activity of the heart) and echocardiogram (studying the heart by examining sou ...
Review Sheet
... An Introduction to the Nervous System Anatomy of Heart Video 1. The heart is a hollow muscular organ that is about the size of a _________________________. 2. The heart is surrounded by a thin layer of tissue called the ______________________________ or heart sac. ...
... An Introduction to the Nervous System Anatomy of Heart Video 1. The heart is a hollow muscular organ that is about the size of a _________________________. 2. The heart is surrounded by a thin layer of tissue called the ______________________________ or heart sac. ...
Tachyarrhythmias - patient information
... AV re-entry tachycardia (AVRT), most commonly known as Wolff-Parkinson-White syndrome (WPW). AV nodal re-entry tachycardia (AVNRT) This type of arrhythmia occurs when a problem arises in the way the electrical impulses pass through the AV node. Normally, the AV node acts as a gateway, slowing and re ...
... AV re-entry tachycardia (AVRT), most commonly known as Wolff-Parkinson-White syndrome (WPW). AV nodal re-entry tachycardia (AVNRT) This type of arrhythmia occurs when a problem arises in the way the electrical impulses pass through the AV node. Normally, the AV node acts as a gateway, slowing and re ...
The Electrical Conduction of the Heart
... your organs. Your body may not receive enough oxygen to function properly, often making you dizzy or breathless. Fast Arrhythmias-when the heart beats too fast it is called tachycardia (tachy=fast, cardia=heart). During tachycardia the heart is not able to pump blood to the body as well as it should ...
... your organs. Your body may not receive enough oxygen to function properly, often making you dizzy or breathless. Fast Arrhythmias-when the heart beats too fast it is called tachycardia (tachy=fast, cardia=heart). During tachycardia the heart is not able to pump blood to the body as well as it should ...
The Heart
... • Heart muscles contract without being stimulated by external nerves (myogenic muscles) • Heart muscle does not all contract at the same rhythm when separated • Heart rhythm is set by the sinoatrial (SA) node – specialized nerve cells • Nerve impulses travel to a second node AV node which sends the ...
... • Heart muscles contract without being stimulated by external nerves (myogenic muscles) • Heart muscle does not all contract at the same rhythm when separated • Heart rhythm is set by the sinoatrial (SA) node – specialized nerve cells • Nerve impulses travel to a second node AV node which sends the ...
Heart Physiology - Riverside Preparatory High School
... Attack): prolonged angina, heart cells may die ...
... Attack): prolonged angina, heart cells may die ...
Sinus_Tachycardia
... rhythm is similar to normal sinus rhythm with the exception that the RR interval is shorter, less than 0.6 seconds. P waves are present and regular and each P-wave is followed by a QRS complex in a ratio of 1:1. At very rapid rates, the P-waves might become superimposed on the preceding T waves such ...
... rhythm is similar to normal sinus rhythm with the exception that the RR interval is shorter, less than 0.6 seconds. P waves are present and regular and each P-wave is followed by a QRS complex in a ratio of 1:1. At very rapid rates, the P-waves might become superimposed on the preceding T waves such ...
Atrial Fibrillation
... Atrial Fibrillation Atrial fibrillation is a common arrhythmia (abnormal heart rhythm). The heart has 4 chambers: the right and left atria (upper chambers) and the right and left ventricles (lower chambers). A normal heartbeat begins in the right atrium. The sinoatrial (SA) node is a collection of s ...
... Atrial Fibrillation Atrial fibrillation is a common arrhythmia (abnormal heart rhythm). The heart has 4 chambers: the right and left atria (upper chambers) and the right and left ventricles (lower chambers). A normal heartbeat begins in the right atrium. The sinoatrial (SA) node is a collection of s ...
Cardiovascular System 1 - Conduction System and Cardiac Cycle
... The heart is said to be Myogenic as it generates its own electrical impulse The Cardiac Impulse is initiated by the sinoatrial (SA) Node (also known as the Pacemaker) which is found in the posterior wall of the right atrium The impulse travels through the atria and cause them to contract The ventric ...
... The heart is said to be Myogenic as it generates its own electrical impulse The Cardiac Impulse is initiated by the sinoatrial (SA) Node (also known as the Pacemaker) which is found in the posterior wall of the right atrium The impulse travels through the atria and cause them to contract The ventric ...
arrhythmia - Campbell M Gold.com Home
... bradyarrhythmias - less than 50 beats per minute). Arrhythmias can also occur with rapid heart rates (called tachyarrhythmias -- faster than 100 beats per minute). Most arrhythmias are harmless, but some can be serious or even life threatening. During an arrhythmia, the heart may not be able to pump ...
... bradyarrhythmias - less than 50 beats per minute). Arrhythmias can also occur with rapid heart rates (called tachyarrhythmias -- faster than 100 beats per minute). Most arrhythmias are harmless, but some can be serious or even life threatening. During an arrhythmia, the heart may not be able to pump ...
Cardiac Physiology and Chronobiology
... Soloviev MV et al. (2006). Variations in hemodynamic parameters and ECG in healthy conscious freely moving telemetrized beagle dogs. Cardiovasc. Toxicol. 6(1):51–62. Tilley LP et al. Canine and Feline Cardiac Arrythmias Self Assesment. 1999. ...
... Soloviev MV et al. (2006). Variations in hemodynamic parameters and ECG in healthy conscious freely moving telemetrized beagle dogs. Cardiovasc. Toxicol. 6(1):51–62. Tilley LP et al. Canine and Feline Cardiac Arrythmias Self Assesment. 1999. ...