52 Bilder zum Thema "atrioventricular conduction" bei ClipDealer

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ECG with paroxysm correct form of atrial flutter with atrioventricular conduction 1: 1
Some accessory pathways directly connect atrium with the lower part of atrioventricular node and His bundle, bypassing the slow conduction area of atrioventricular node.
During nocturnal sleep, vagus tone is elevated, and ECG may show both sinus bradycardia and first-degree atrioventricular block.
ECG with paroxysm correct form of atrial flutter with atrioventricular conduction 2:1
The PR interval of an adult ECG is less than 120 ms, which is called a short PR interval.
When a short PR interval is found on the electrocardiogram, careful observation of the beginning of the QRS wave can reveal whether it is ventricular preexcitation.
The PR interval of an adult ECG is less than 120 ms, which is called a short PR interval.
Sometimes, the beginning of sinus P wave in some ECG leads is located on the isoelectric line. If only the visualization part is measured, it will produce a pseudo short PR interval.
When individuals with short PR interval ECG develop various types of supraventricular tachycardia clinically, it is called short PR syndrome.
3D illustration of an ECG displaying 1st degree AV block, a cardiac conduction disorder.
3D illustration visualizing an ECG of 2nd degree AV block (Wenckebach), highlighting abnormal electrical conduction in the heart rhythm.
The PR interval is age-related, and the PR interval should be assessed for abnormalities based on the age of the person being examined.
3D illustration visualizing an ECG with 2nd degree AV block (Wenckebach), highlighting abnormal electrical conduction in the heart rhythm.
3D illustration visualizing an ECG with 3rd degree AV block, showing complete dissociation between atrial and ventricular rhythms.
Male, 84 years old, admitted to hospital with chest pain for 1 day. ECG showed acute inferior and posterior MI and possibly right MI. The patient died of ventricular fibrillation the next day.
The atrioventricular junction area has bidirectional conduction ability, and the impulse can be conducted from the atrium to the ventricle or from the ventricle to the atrium.
A patient with AIMI presents with a sudden widening of the QRS complex in the junctional escape rhythm, premature ventricular contractions, resulting in polymorphic ventricular tachycardia.
The presence of atrioventricular dissociation in wide-complex tachycardia is highly suggestive of ventricular tachycardia.
3D illustration visualizing an ECG with 3rd degree AV block, showing complete dissociation between atrial and ventricular rhythms.
3D illustration visualizing an ECG with 3rd degree AV block, showing complete dissociation between atrial and ventricular rhythms.
Male, 84 years old, admitted to hospital with chest pain for 1 day. These ECG rhythms are the Holter monitor records of the patients after admission, and they are third degree atrioventricular block.
3D illustration visualizing an ECG of 2nd degree AV block (Wenckebach), highlighting abnormal electrical conduction in the heart rhythm.
Because of the slow conduction of atrioventricular node, the PR interval of adult ECG should be greater than 120ms. This physiological phenomenon is called atrioventricular delay.
A patient with AIMI presents with a sudden widening of the QRS complex in the junctional escape rhythm, premature ventricular contractions, resulting in polymorphic ventricular tachycardia.
The PR interval of an ecg includes the time during which supraventricular impulses are transmitted through the atrioventricular node, His bundle, bundle branches, and terminal Purkinje fibers.
Hypoplastic left heart syndrome is a rare congenital heart defect in which the left side of the heart is severely underdeveloped.It may affect the left ventricle, aorta, aortic valve, or mitral valve. 3D Render
3D illustration visualizing an ECG with 3rd degree AV block, showing complete dissociation between atrial and ventricular rhythms.
3D illustration visualizing an ECG with 2nd degree AV block (Mobitz 2), highlighting abnormal electrical conduction in the heart rhythm.
The atrioventricular junction area includes the lower part of the atrium, atrioventricular node, and His bundle, and is a necessary pathway for electrical impulses to travel from the atrium to the ventricle.
Hypoplastic left heart syndrome is a rare congenital heart defect in which the left side of the heart is severely underdeveloped.It may affect the left ventricle, aorta, aortic valve, or mitral valve. 3D Render
In complete left bundle branch block, the conduction of the LBB can be completely interrupted or can still be conducted, but it is delayed by at least 45ms than the RBB.
3D illustration visualizing an ECG with 3rd degree AV block, showing complete dissociation between atrial and ventricular rhythms.
Abnormal ECG refers to changes in depolarization waves and or repolarization waves, most of which are pathologic and few are physiological.
The atrial muscle and atrioventricular node belong to fast and slow response cells, respectively, and phase 0 depolarization is responsible for Na+ channels and Ca2+ channels, respectively.
3D illustration visualizing an ECG with 3rd degree AV block, showing complete dissociation between atrial and ventricular rhythms.
3D illustration visualizing an ECG of 2nd degree AV block (Wenckebach), highlighting abnormal electrical conduction in the heart rhythm.
3D illustration visualizing an ECG of 2nd degree AV block (Wenckebach), highlighting abnormal electrical conduction in the heart rhythm.
When the ECG is too complex, the recording quality is poor, or it is impossible to interpret what is causing the loss of the ECG, the ECG machine will not be able to provide a diagnostic reference.
Sometimes, there may be slight non-specific changes and normal variations in the electrocardiogram, which are often due to physiological reasons and have no clinical therapeutic significance.
Abnormal ECG refers to changes in depolarization waves and or repolarization waves, most of which are pathologic and few are physiological.
3D illustration visualizing an ECG with 3rd degree AV block, showing complete dissociation between atrial and ventricular rhythms.
3D illustration visualizing an ECG with 3rd degree AV block, showing complete dissociation between atrial and ventricular rhythms.
The illustration shows the two patterns of ventricular tachycardia episodes.The green circle represents sinus rhythm. Picture A shows paroxysmal episodes of ventricular tachycardia, and picture B shows short bursts.
Abnormal ECG refers to changes in depolarization waves and or repolarization waves, most of which are pathologic and few are physiological.
When the ECG is too complex, the recording quality is poor, or it is impossible to interpret what is causing the loss of the ECG, the ECG machine will not be able to provide a diagnostic reference.
When the blood potassium concentration increases to a certain extent, atrial muscle paralysis accompanied by ventricular conduction disorder, ECG without sinus P wave accompanied by wide QRS waves.
Conduction disruption occurs when the impulse encounters the effective refractory period of the downstream conduction system during conduction.
3D illustration visualizing an ECG with 3rd degree AV block, showing complete dissociation between atrial and ventricular rhythms.
Male, 39 years old, paroxysmal palpitations for 5 years. ECG showed B type ventricular preexcitation.The bypass may be located in the right posterior free wall.
The presence of atrioventricular dissociation in wide-complex tachycardia is highly suggestive of ventricular tachycardia.

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