Cardiac Resynchronization Therapy (CRT)
... wear down, and they need to be changed every 5-7 years. Changing the batteries in a biventricular device is generally a simple operation. ...
... wear down, and they need to be changed every 5-7 years. Changing the batteries in a biventricular device is generally a simple operation. ...
File
... “Pause” is the heart in complete ______________________ _____________________ are usually problems with the valves ___________________. Atria contract ________________________. As they begin to ______________ ventricles _____________________ (ventricular systole) ventricles _____________ (ventri ...
... “Pause” is the heart in complete ______________________ _____________________ are usually problems with the valves ___________________. Atria contract ________________________. As they begin to ______________ ventricles _____________________ (ventricular systole) ventricles _____________ (ventri ...
4-Cardiac Arrhythmias
... Some, but not all, P waves are followed by a QRS (dropped beats. 1-MOBITZ TYPE I:PR interval progressively prolonged until one QRS complex is dropped completely .Causes 1)otherwise healthy children. Other causes include 2)myocarditis, cardiomyopathy,3) myocardial infarction,4) congenital heart defec ...
... Some, but not all, P waves are followed by a QRS (dropped beats. 1-MOBITZ TYPE I:PR interval progressively prolonged until one QRS complex is dropped completely .Causes 1)otherwise healthy children. Other causes include 2)myocarditis, cardiomyopathy,3) myocardial infarction,4) congenital heart defec ...
Supraventricular Arrhythmias
... normal His Purkinje system similar to normal sinus rhythm • Distinct from ventricular tachycardia which only originates in the ventricles ...
... normal His Purkinje system similar to normal sinus rhythm • Distinct from ventricular tachycardia which only originates in the ventricles ...
Proceedings of the 33rd World Small Animal Veterinary
... QRS, called a (delta) wave. Retrograde conduction may result in supraventricular paroxysmal tachycardia due to a reentry mechanism. This is called the Wolff-ParkinsonWhite syndrome (WPW). Escape rhythms Escape beats In general, the escape beats apparent in the various bradyarrhythmias look like vent ...
... QRS, called a (delta) wave. Retrograde conduction may result in supraventricular paroxysmal tachycardia due to a reentry mechanism. This is called the Wolff-ParkinsonWhite syndrome (WPW). Escape rhythms Escape beats In general, the escape beats apparent in the various bradyarrhythmias look like vent ...
Chapter 20 Reading Guide - Student
... 26. How does epinephrine increase the contraction force of the cardiac fibers? ...
... 26. How does epinephrine increase the contraction force of the cardiac fibers? ...
Cardiac Electrophysiology
... conduct, gets progressively worse (not on test) AH starts getting longer and longer This is a normal function of the AV node **AV Node reentry: most common rhythm problem you have 2 AV nodes 25% of people have split AV nodes have potential for this rhythm to happen Essentially, conduction goes d ...
... conduct, gets progressively worse (not on test) AH starts getting longer and longer This is a normal function of the AV node **AV Node reentry: most common rhythm problem you have 2 AV nodes 25% of people have split AV nodes have potential for this rhythm to happen Essentially, conduction goes d ...
Phonocardiography, External Pulse Recordings, and
... • M-Mode angle of ultrasound kept stationary • Two-Dimensional the angle issues very high-frequency sound waves to produce visual images of the anatomical structures of the heart (sector scan) • Doppler explores the blood flow patterns in the cardiac chambers. It determines the direction of blood fl ...
... • M-Mode angle of ultrasound kept stationary • Two-Dimensional the angle issues very high-frequency sound waves to produce visual images of the anatomical structures of the heart (sector scan) • Doppler explores the blood flow patterns in the cardiac chambers. It determines the direction of blood fl ...
Right Heart Failure in Cardiac Surgical Patients
... 1. Understand the pathophysiology of right heart failure. 2. Recognize the differences between acute versus chronic right heart failure. 3. Describe treatment options. Right heart failure (RHF) is a clinical syndrome with multiple etiologies. Chronic RHF can be seen with severe left-sided heart fail ...
... 1. Understand the pathophysiology of right heart failure. 2. Recognize the differences between acute versus chronic right heart failure. 3. Describe treatment options. Right heart failure (RHF) is a clinical syndrome with multiple etiologies. Chronic RHF can be seen with severe left-sided heart fail ...
The Heart
... • The second part of the pumping phase begins when the ventricles are full of blood. The electrical signals from the SA node travel along a pathway of cells to the ventricles, causing them to contract. This is called systole. • As the tricuspid and mitral valves shut tight to prevent a back flow of ...
... • The second part of the pumping phase begins when the ventricles are full of blood. The electrical signals from the SA node travel along a pathway of cells to the ventricles, causing them to contract. This is called systole. • As the tricuspid and mitral valves shut tight to prevent a back flow of ...
HUMAN TRANSPORT SYSTEM ( lesson 3 )
... Rhythmic heart beats are spontaneous as they originated from Cardiac tissue itself It has proved that the heart continues beating regularly even after it has been disconnected from the body and Cardiac nerves ( sympathetic + vagus nerves ) . Source of Regular Rhythm of heart beats : A) Sino-atrial n ...
... Rhythmic heart beats are spontaneous as they originated from Cardiac tissue itself It has proved that the heart continues beating regularly even after it has been disconnected from the body and Cardiac nerves ( sympathetic + vagus nerves ) . Source of Regular Rhythm of heart beats : A) Sino-atrial n ...
上海第二医科大学仁济临床医学院
... Ventricular fibrillation occurs when the ventricles stop beating and, instead, fibrillate or twitch in an ineffective fashion. It is one of the three major ECG patterns seen with cardiac arrest; the other two are asystole and electromechanical dissociation. Accelerated idioventricular rhythm (AI ...
... Ventricular fibrillation occurs when the ventricles stop beating and, instead, fibrillate or twitch in an ineffective fashion. It is one of the three major ECG patterns seen with cardiac arrest; the other two are asystole and electromechanical dissociation. Accelerated idioventricular rhythm (AI ...
Heart introduction
... attaches to the connective tissue partition that separates the lungs. This attachment anchors the heart so that it remains properly positioned within the chest. The sac’s secretory lining secretes a thin pericardial fluid, which provides lubrication to prevent friction between the pericardial layers ...
... attaches to the connective tissue partition that separates the lungs. This attachment anchors the heart so that it remains properly positioned within the chest. The sac’s secretory lining secretes a thin pericardial fluid, which provides lubrication to prevent friction between the pericardial layers ...
Addendum to Lab 9:
... A cardiac cycle includes the events which occur in the heart during one heart beat. These are separated into electrical events (conduction of an electrical impulse through the myocardium) and mechanical events (the pumping of blood). The mechanical events of the heart are always preceded by electric ...
... A cardiac cycle includes the events which occur in the heart during one heart beat. These are separated into electrical events (conduction of an electrical impulse through the myocardium) and mechanical events (the pumping of blood). The mechanical events of the heart are always preceded by electric ...
Chapter 19 THE CIRCULATORY SYSTEM: THE HEART
... • explain why the SA node fires spontaneously and rhythmically; • explain how the SA node excites the myocardium; • describe the unusual action potentials of cardiac muscle and relate them to the contractile behavior of the heart; and • interpret a normal electrocardiogram. ...
... • explain why the SA node fires spontaneously and rhythmically; • explain how the SA node excites the myocardium; • describe the unusual action potentials of cardiac muscle and relate them to the contractile behavior of the heart; and • interpret a normal electrocardiogram. ...
Atrial Fibrillation (AF)
... function of the lower cardiac chambers, the ventricles. Having less blood pumped to the body causes symptoms and AF can also lead to blood clot formation in the atria. Treatment is directed towards slowing the heart rate and, in many cases, restoring a normal rhythm. Medical treatment can also reduc ...
... function of the lower cardiac chambers, the ventricles. Having less blood pumped to the body causes symptoms and AF can also lead to blood clot formation in the atria. Treatment is directed towards slowing the heart rate and, in many cases, restoring a normal rhythm. Medical treatment can also reduc ...
Heart
... beginning of ventricular depolarization until the end of ventricular repolarization • The QT interval is prolonged if it clearly measures more than half the R-R interval • Called long QT syndrome ...
... beginning of ventricular depolarization until the end of ventricular repolarization • The QT interval is prolonged if it clearly measures more than half the R-R interval • Called long QT syndrome ...
Sudden atrial fibrillation associated with acute
... Follow-up electrocardiogram 10 hours later demonstrated a heart rate of 77 beats per minute and normal sinus rhythm. Transthoracic echocardiogram revealed a left ventricular ejection fraction of 45% and an “incidental” finding of cor triatriatum of the left atrium (Figure 2). Right ventricular systol ...
... Follow-up electrocardiogram 10 hours later demonstrated a heart rate of 77 beats per minute and normal sinus rhythm. Transthoracic echocardiogram revealed a left ventricular ejection fraction of 45% and an “incidental” finding of cor triatriatum of the left atrium (Figure 2). Right ventricular systol ...
Defibrillators - Wellington ICU
... FANZCA Primary Notes USES - application of an electrical current across the heart to convert VF/VT -> sinus rhythm DESCRIPTION ...
... FANZCA Primary Notes USES - application of an electrical current across the heart to convert VF/VT -> sinus rhythm DESCRIPTION ...
Heart
... • no direct interconnection between the atrial and ventricular muscle groups. • intricate communication pathway to communicate between the two areas ...
... • no direct interconnection between the atrial and ventricular muscle groups. • intricate communication pathway to communicate between the two areas ...
Electrical System Of The Heart
... reaches the AV node, it is passed through the bundle of His and the Purkinje fibres. The stimulus causes the ventricles to contract, starting from the apex and then upward, which forces blood toward the pulmonary artery and aorta. The chordae tendinae are strong, fibrous strings that prevent the val ...
... reaches the AV node, it is passed through the bundle of His and the Purkinje fibres. The stimulus causes the ventricles to contract, starting from the apex and then upward, which forces blood toward the pulmonary artery and aorta. The chordae tendinae are strong, fibrous strings that prevent the val ...
8533010_defibrillators
... Another type of resuscitation electrode is designed as an adhesive pad. When a patient has been admitted due to heart problems, and the physician or nurse has determined that he or she is at risk of arrhythmia, they may apply adhesive electrodes to the patient in anticipation of any problems that ...
... Another type of resuscitation electrode is designed as an adhesive pad. When a patient has been admitted due to heart problems, and the physician or nurse has determined that he or she is at risk of arrhythmia, they may apply adhesive electrodes to the patient in anticipation of any problems that ...