File
... Ventricular rate always les than atrial rate, depends on number of impulses conducted through AV node Atrial & ventricular rates irregular P waves present in 2, 3 or 4:1 conduction with QRS PR interval constant for each P wave prior to QRS ...
... Ventricular rate always les than atrial rate, depends on number of impulses conducted through AV node Atrial & ventricular rates irregular P waves present in 2, 3 or 4:1 conduction with QRS PR interval constant for each P wave prior to QRS ...
Left atrium Left ventricle Right atrium Right ventricle Aorta
... Blood travels away from the heart in blood vessels called ___________, these have a thicker wall than the smaller _______ because the blood is under pressure as it leaves the heart. The blood travels through _______ to return to the heart. Blood collects _________ from the lungs then returns to the ...
... Blood travels away from the heart in blood vessels called ___________, these have a thicker wall than the smaller _______ because the blood is under pressure as it leaves the heart. The blood travels through _______ to return to the heart. Blood collects _________ from the lungs then returns to the ...
Atrial Fibrillation - Weber State University
... Controlling how many times a minute the ventricles contract (rate control). With this the irregular heart rhythm continues, but the person feels better & has fewer symptoms. ...
... Controlling how many times a minute the ventricles contract (rate control). With this the irregular heart rhythm continues, but the person feels better & has fewer symptoms. ...
The heart transplant patient
... – Drugs dependent on autonomic reflexes do not alter heart rate – e.g. atropine, digoxin, pancuronium ...
... – Drugs dependent on autonomic reflexes do not alter heart rate – e.g. atropine, digoxin, pancuronium ...
Cardiac Arrhythmias: From Simple Models to the Clinic
... complications, and the vice president emerged from the hospital about four hours after he entered, according to the reports. The procedure had been scheduled after a check of the device during the vice president's annual physical last month showed the battery was nearing the end of its lifetime. The ...
... complications, and the vice president emerged from the hospital about four hours after he entered, according to the reports. The procedure had been scheduled after a check of the device during the vice president's annual physical last month showed the battery was nearing the end of its lifetime. The ...
Computational Modeling of Human Fetal Normal Sinus Rhythm and
... possible, given the ventricular size, and action potential wavelength (determined by action potential duration and velocity). Excitation initiated at different sites (propagation from the rest of the cardiac system via the Purkinje fibres) and ectopic excitation within the ring can lead to re-entry ...
... possible, given the ventricular size, and action potential wavelength (determined by action potential duration and velocity). Excitation initiated at different sites (propagation from the rest of the cardiac system via the Purkinje fibres) and ectopic excitation within the ring can lead to re-entry ...
Myxomatous Mitral Valve Degeneration PDF
... left atrium. This backflow is called mitral regurgitation. The leak progressively worsens over time causing increased pressure within the heart and also causing the atrium and ventricles to enlarge. Eventually the heart will no longer be able to pump blood efficiently. The increased pressures cause ...
... left atrium. This backflow is called mitral regurgitation. The leak progressively worsens over time causing increased pressure within the heart and also causing the atrium and ventricles to enlarge. Eventually the heart will no longer be able to pump blood efficiently. The increased pressures cause ...
Heart dissection - misssimpson.com
... To work out the direction of blood flow through the heart YOU NEED A heart Dissecting board Scissors or a scalpel String 2 pieces, each 30 cm long, Disposable gloves Soap and water SAFETY Take care when using scissors or scalpel – make sure that you do not cut yourself by mistake. Tie hair back if l ...
... To work out the direction of blood flow through the heart YOU NEED A heart Dissecting board Scissors or a scalpel String 2 pieces, each 30 cm long, Disposable gloves Soap and water SAFETY Take care when using scissors or scalpel – make sure that you do not cut yourself by mistake. Tie hair back if l ...
ASDs in Cats - Veterinary Specialty Services
... less likely. Long-term prognosis is excellent in this case, and although periodic re-evaluation is still warranted, lifespan may be unaffected. Cats with large ASDs have a more guarded prognosis, particularly once heart failure develops. In such cases, medical therapy is used in order to minimize sy ...
... less likely. Long-term prognosis is excellent in this case, and although periodic re-evaluation is still warranted, lifespan may be unaffected. Cats with large ASDs have a more guarded prognosis, particularly once heart failure develops. In such cases, medical therapy is used in order to minimize sy ...
Atrial Septal Defects in Dogs - Veterinary Specialty Services
... stethoscope. The murmur is described according to its loudness and where it is heard best on the chest. If congestive heart failure is already present at the time of first examination, other findings may include abdominal distension, rapid or labored breathing, or subcutaneous edema. Diagnosis of an ...
... stethoscope. The murmur is described according to its loudness and where it is heard best on the chest. If congestive heart failure is already present at the time of first examination, other findings may include abdominal distension, rapid or labored breathing, or subcutaneous edema. Diagnosis of an ...
5. Setting the Tempo - hills
... Mapping the Heart Beat • Electrocardiogram (ECG or EKG) – test that measures the electrical activity of the heart. – Traces how long the electrical wave takes to pass through your heart – Printed on paper covered with a grid of squares each ...
... Mapping the Heart Beat • Electrocardiogram (ECG or EKG) – test that measures the electrical activity of the heart. – Traces how long the electrical wave takes to pass through your heart – Printed on paper covered with a grid of squares each ...
Notes to Heart 2
... Bradycardia : slower than normal heart rate (< 50bpm) Tachycardia : faster than normal heart rate (> 100 bpm) ...
... Bradycardia : slower than normal heart rate (< 50bpm) Tachycardia : faster than normal heart rate (> 100 bpm) ...
Bradycardia - UCSF | Department of Medicine
... • AV node: RCA 80%, CFX 10%, both 10% • His-Purkinje system (the real difference between 2nd degree type I and II) Diagnosis: ECG, Telemetry / event monitoring, Tilt table testing, EP Management: (see handbook and ACLS) • Transcutaneous and transvenous pacing • Atropine • Glucagon (for BB, ?CCB – ac ...
... • AV node: RCA 80%, CFX 10%, both 10% • His-Purkinje system (the real difference between 2nd degree type I and II) Diagnosis: ECG, Telemetry / event monitoring, Tilt table testing, EP Management: (see handbook and ACLS) • Transcutaneous and transvenous pacing • Atropine • Glucagon (for BB, ?CCB – ac ...
ventricular tachycardia
... contraction of the heart muscles—the electrical impulse causes the atria to contract, pumping blood into the ventricles; the electrical impulse moves through the atrioventricular (AV) node and into the ventricles, causing the ventricles to contract and to pump blood to the lungs (right ventricle) an ...
... contraction of the heart muscles—the electrical impulse causes the atria to contract, pumping blood into the ventricles; the electrical impulse moves through the atrioventricular (AV) node and into the ventricles, causing the ventricles to contract and to pump blood to the lungs (right ventricle) an ...
Intrinsic Conduction System
... • If you have a difficult time understanding the correct answer, please note that normally the left ventricle is depolarized when impulses move along the left bundle branch and to the Purkinje fibers. If the left bundle branch is blocked, ventricular depolarization takes longer because impulses in t ...
... • If you have a difficult time understanding the correct answer, please note that normally the left ventricle is depolarized when impulses move along the left bundle branch and to the Purkinje fibers. If the left bundle branch is blocked, ventricular depolarization takes longer because impulses in t ...
Heart: Dilated Cardiomyopathy
... What is the treatment? There are several drugs used to treat dilated cardiomyopathy. Initial stabilization depends upon the use of: Diuretics – These are drugs that stimulate the kidneys to remove excess fluid from the body. Furosemide and spironolactone are the most commonly used diuretics. Angiote ...
... What is the treatment? There are several drugs used to treat dilated cardiomyopathy. Initial stabilization depends upon the use of: Diuretics – These are drugs that stimulate the kidneys to remove excess fluid from the body. Furosemide and spironolactone are the most commonly used diuretics. Angiote ...
Congestive Heart Failure in Dogs
... heart muscle or the major vessels leading to and from the heart. It should go without saying that the treatment of heart failure should address both symptoms and root cause(s). Immediate Care In cases of heart failure, the timing of treatment is critical. ...
... heart muscle or the major vessels leading to and from the heart. It should go without saying that the treatment of heart failure should address both symptoms and root cause(s). Immediate Care In cases of heart failure, the timing of treatment is critical. ...
Click to - Dr. Ben
... i. Short PR intervals (less than 0.12 second) indicate that the impulse originated somewhere other than the SA node. This variation is associated with junctional arrhythmias and preexcitation syndromes. ii. Prolonged PR intervals (greater than 0.20 second) may represent a conduction delay through th ...
... i. Short PR intervals (less than 0.12 second) indicate that the impulse originated somewhere other than the SA node. This variation is associated with junctional arrhythmias and preexcitation syndromes. ii. Prolonged PR intervals (greater than 0.20 second) may represent a conduction delay through th ...
Use of defibrillators at workplaces
... importance became more apparent. They have become increasingly popular over the last few years and are now commonly found in many public places such as airports, railway stations, shopping centres, schools and in some office buildings. These can often be identified by the lightening bolt sign on the ...
... importance became more apparent. They have become increasingly popular over the last few years and are now commonly found in many public places such as airports, railway stations, shopping centres, schools and in some office buildings. These can often be identified by the lightening bolt sign on the ...
presentation source
... will escalate with the addition of caffeine. We also hypothesized that the heart rate will increase proportionally with increasing concentrations of caffeine added. We hypothesized this because caffeine inhibits the activity of phosphodiesterase, which breaks down cyclic AMP. This increase in the am ...
... will escalate with the addition of caffeine. We also hypothesized that the heart rate will increase proportionally with increasing concentrations of caffeine added. We hypothesized this because caffeine inhibits the activity of phosphodiesterase, which breaks down cyclic AMP. This increase in the am ...
Wolff-Parkinson-White Syndrome and Associated Arrhythmias
... Therefore, the PAC, which was just blocked in the BT, is now conducted to the ventricles through the AV node. Since this beat (produced by the PAC) is conducted down the AV node, it will have a narrow QRS complex. This beat, which has activated the ventricles via the AV node, now finds it possible t ...
... Therefore, the PAC, which was just blocked in the BT, is now conducted to the ventricles through the AV node. Since this beat (produced by the PAC) is conducted down the AV node, it will have a narrow QRS complex. This beat, which has activated the ventricles via the AV node, now finds it possible t ...
Circulatory System
... On average, a heart beats 72 times a minute when at rest Usually it is calculated as number of contractions of heart (heart beats) in one minute and expressed as "beats per minute" (bpm). The pulse is the most straightforward way of measuring the heart rate Heart rate is controlled by nervous system ...
... On average, a heart beats 72 times a minute when at rest Usually it is calculated as number of contractions of heart (heart beats) in one minute and expressed as "beats per minute" (bpm). The pulse is the most straightforward way of measuring the heart rate Heart rate is controlled by nervous system ...
Drugs affecting the cardiovascular System
... EITHER RIGHT-SIDED OR LEFT-SIDED HEART FAILURE Left-sided heart failure When the left ventricle does not contract sufficiently to pump blood returned from the lungs and the left atrium out through the aorta into the peripheral circulation This causes excessive amount of blood in the lung tissue Sho ...
... EITHER RIGHT-SIDED OR LEFT-SIDED HEART FAILURE Left-sided heart failure When the left ventricle does not contract sufficiently to pump blood returned from the lungs and the left atrium out through the aorta into the peripheral circulation This causes excessive amount of blood in the lung tissue Sho ...