He also wants to know if his brother`s heart can recover
... replaced with scar tissue that results in ineffective cardiac contraction and relaxation of the heart muscle. Healing of the heart muscle begins soon after a heart attack and takes about eight weeks. Just like a skin wound, the heart's wound heals and a scar will form in the damaged area. But, the n ...
... replaced with scar tissue that results in ineffective cardiac contraction and relaxation of the heart muscle. Healing of the heart muscle begins soon after a heart attack and takes about eight weeks. Just like a skin wound, the heart's wound heals and a scar will form in the damaged area. But, the n ...
Sick Sinus Syndrome - Milliken Animal Clinic
... • Irregular heartbeats (known as “arrhythmias”) noted with sick sinus syndrome include any or all of the following: inappropriate slow heart rate (known as “sinus bradycardia”); disorder in which the sinoatrial node does not generate an electrical impulse or the impulse does not leave the sinus node ...
... • Irregular heartbeats (known as “arrhythmias”) noted with sick sinus syndrome include any or all of the following: inappropriate slow heart rate (known as “sinus bradycardia”); disorder in which the sinoatrial node does not generate an electrical impulse or the impulse does not leave the sinus node ...
sick_sinus_syndrome
... • Irregular heartbeats (known as “arrhythmias”) noted with sick sinus syndrome include any or all of the following: inappropriate slow heart rate (known as “sinus bradycardia”); disorder in which the sinoatrial node does not generate an electrical impulse or the impulse does not leave the sinus node ...
... • Irregular heartbeats (known as “arrhythmias”) noted with sick sinus syndrome include any or all of the following: inappropriate slow heart rate (known as “sinus bradycardia”); disorder in which the sinoatrial node does not generate an electrical impulse or the impulse does not leave the sinus node ...
Canine and Feline Electrocardiography
... – Activation of an individual muscle cell produces activity in the neighboring muscle cell – Conduction velocity varies in the different portions of the specialized conduction system and muscle fibers – Velocity is greatest in the Purkinje Fibers and least in the mid-portion of the AV node – Activat ...
... – Activation of an individual muscle cell produces activity in the neighboring muscle cell – Conduction velocity varies in the different portions of the specialized conduction system and muscle fibers – Velocity is greatest in the Purkinje Fibers and least in the mid-portion of the AV node – Activat ...
Cardiac Medications in a Nutshell
... Other drugs may also be used as required to manage certain arrhythmias that are often associated with heart disease. Digoxin Digoxin, also known as Digitalis, is a purified cardiac glycoside extracted from the foxglove plant, Digitalis lanata.[2] Digoxin is widely used in the treatment of various he ...
... Other drugs may also be used as required to manage certain arrhythmias that are often associated with heart disease. Digoxin Digoxin, also known as Digitalis, is a purified cardiac glycoside extracted from the foxglove plant, Digitalis lanata.[2] Digoxin is widely used in the treatment of various he ...
Congestive Heart Failure
... The goal of the prehospital care provider in managing heart failure is directed at maintenance of adequate cellular oxygenation, reduction of preload and afterload to improve forward blood flow, and, ultimately, improve cardiac output. ...
... The goal of the prehospital care provider in managing heart failure is directed at maintenance of adequate cellular oxygenation, reduction of preload and afterload to improve forward blood flow, and, ultimately, improve cardiac output. ...
Lecture 19 EKG – Electrocardiogram
... In sinus arrhythmia, the heart rate varies with the phase of respiration. The heart rate typically increases during inspiration and decreases during expiration. Therefore, as observed, the R-R interval is longer during expiration. These changes are mediated through vagal reflexes. Sinus arrhythmia ...
... In sinus arrhythmia, the heart rate varies with the phase of respiration. The heart rate typically increases during inspiration and decreases during expiration. Therefore, as observed, the R-R interval is longer during expiration. These changes are mediated through vagal reflexes. Sinus arrhythmia ...
Additional testing in HCM
... years. EP testing is currently helpful in HCM when programming ICD’s at the time of implant. ...
... years. EP testing is currently helpful in HCM when programming ICD’s at the time of implant. ...
Cardiovascular System: The Heart Chapter 18 Part 2
... Angina Pectoris • Medical term for chest pain due to coronary heart disease. • It occurs when the myocardium doesn’t get as much blood (Oxygen) as it needs. • Insufficient blood supply is called ischemia. • May initially occur during physical exercise, stress, or extreme temperatures. • It is a sig ...
... Angina Pectoris • Medical term for chest pain due to coronary heart disease. • It occurs when the myocardium doesn’t get as much blood (Oxygen) as it needs. • Insufficient blood supply is called ischemia. • May initially occur during physical exercise, stress, or extreme temperatures. • It is a sig ...
A HEART ATTACK OR CARDIAC ARREST?
... is caused by a clot forming in one of the arteries that supplies blood to the heart muscle. This prevents oxygen getting to a particular region of the heart. As a result, cells in this region start to die. The longer this continues, the more damage is caused to the muscle. This damage is permanent. ...
... is caused by a clot forming in one of the arteries that supplies blood to the heart muscle. This prevents oxygen getting to a particular region of the heart. As a result, cells in this region start to die. The longer this continues, the more damage is caused to the muscle. This damage is permanent. ...
The Chest Xray and Electrocardiogram
... In the 1970’s, Michael B. Simson at the University of Pennsylvania,developed the signa averaged ECG to identify the slow conduction substrates of reentry. ...
... In the 1970’s, Michael B. Simson at the University of Pennsylvania,developed the signa averaged ECG to identify the slow conduction substrates of reentry. ...
IV-29 9.01 R. Lidocaine Hydrochloride (Xylocaine®)
... A. Ventricular dysrhythmias, Cardiac arrest, Post cardioversion/defibrillation of ventricular rhythm [by online MD order only] •1 mg/kg slow IV/IO over 1 minute or 2 mg/kg ET. If no conversion, repeat 1 mg/kg IV/IO two times or 1 mg/kg ET one time in 3-5 minutes. (Maximum 3 mg/kg). VI ...
... A. Ventricular dysrhythmias, Cardiac arrest, Post cardioversion/defibrillation of ventricular rhythm [by online MD order only] •1 mg/kg slow IV/IO over 1 minute or 2 mg/kg ET. If no conversion, repeat 1 mg/kg IV/IO two times or 1 mg/kg ET one time in 3-5 minutes. (Maximum 3 mg/kg). VI ...
The Shocking Truth
... Above 50-70 ma (AC) through the heart for one second may cause heart muscles to contract irregularly (ventricular fibrillation) and not pump effectively. Fibrillation is very hard to stop ...
... Above 50-70 ma (AC) through the heart for one second may cause heart muscles to contract irregularly (ventricular fibrillation) and not pump effectively. Fibrillation is very hard to stop ...
Chapter 20
... ▫EDV- amount of blood a ventricle contains at the end of diastole, just before contraction begins. Affected by three factors; filling time, venous return, and preload: -filling time-venous return-preload▫ESV- amount of blood that remains in the ventricle at the end of ventricular systole. Three fact ...
... ▫EDV- amount of blood a ventricle contains at the end of diastole, just before contraction begins. Affected by three factors; filling time, venous return, and preload: -filling time-venous return-preload▫ESV- amount of blood that remains in the ventricle at the end of ventricular systole. Three fact ...
29 - LPS
... Phases of the Cardiac Cycle • Ventricular filling – mid-to-late diastole Heart blood pressure is low as blood enters atria and flows into ventricles AV valves are open, then atrial systole occurs ...
... Phases of the Cardiac Cycle • Ventricular filling – mid-to-late diastole Heart blood pressure is low as blood enters atria and flows into ventricles AV valves are open, then atrial systole occurs ...
EEG and ECG machines
... person has heart disease. If a person has chest pain or palpitations, an ECG is helpful in determining if the heart is beating normally. If a person is on medications that may affect the heart or if the patient is on a pacemaker, an ECG can readily determine the immediate effects of changes in activ ...
... person has heart disease. If a person has chest pain or palpitations, an ECG is helpful in determining if the heart is beating normally. If a person is on medications that may affect the heart or if the patient is on a pacemaker, an ECG can readily determine the immediate effects of changes in activ ...
4B Worksheet
... the beginning of _____________(contract) where the DUB is the second sound made when the _________________valves close at the beginning of ventricular _____________(relax). 8) Abnormal heart sounds are referred to as _____________and are due to ___________or narrowing (stenosis) of the heart valves. ...
... the beginning of _____________(contract) where the DUB is the second sound made when the _________________valves close at the beginning of ventricular _____________(relax). 8) Abnormal heart sounds are referred to as _____________and are due to ___________or narrowing (stenosis) of the heart valves. ...
Cardiovascular: Heart
... and the ESV (Starling’s Law of the Heart) – Increasing the force of contraction at any EDV will decrease the ESV and increase the SV (sympathetic stimulation and ...
... and the ESV (Starling’s Law of the Heart) – Increasing the force of contraction at any EDV will decrease the ESV and increase the SV (sympathetic stimulation and ...
Cardiac Conduction System
... At about 0 mV, K+ channels open and K+ flows out Membrane repolarizes to -60 mV, when K+ channels close and pacemaker potential resumes ...
... At about 0 mV, K+ channels open and K+ flows out Membrane repolarizes to -60 mV, when K+ channels close and pacemaker potential resumes ...
Cardiovascular System
... 6. Which parts of the heart carry blood that is low in oxygen? 7. Which parts of the heart carry blood that is high in oxygen? 8. Which veins carry blood high in oxygen? 9. Which arteries carry blood that is low in oxygen? 10.What diagnostic test may be performed to detect abnormal electrical activi ...
... 6. Which parts of the heart carry blood that is low in oxygen? 7. Which parts of the heart carry blood that is high in oxygen? 8. Which veins carry blood high in oxygen? 9. Which arteries carry blood that is low in oxygen? 10.What diagnostic test may be performed to detect abnormal electrical activi ...
Control of the Cardiac Cycle
... Past Exam Question Jan 2010 7 (a) The cardiac cycle is controlled by the sinoatrial node (SAN) and the atrioventricular node (AVN). Describe how. (5 marks) Casualty Keywords! ‘He’s tachycardic!’ A fast heart rhythm that originates in one of the ventricles of the heart. Can lead to ventricular fibri ...
... Past Exam Question Jan 2010 7 (a) The cardiac cycle is controlled by the sinoatrial node (SAN) and the atrioventricular node (AVN). Describe how. (5 marks) Casualty Keywords! ‘He’s tachycardic!’ A fast heart rhythm that originates in one of the ventricles of the heart. Can lead to ventricular fibri ...
dysrhythmia cheat sheet
... with normal conduction. Irregular rhythm, impulse may be delayed or nonconducted, varies in rate From an ecotopic focus above the bundle of His, “re-entry” rate from 100 to 300/minute, regular rhythm. May decrease CO Ectopic atrial focus “reentry” Atrial rate is 250 to 400bpm, usually with slow vent ...
... with normal conduction. Irregular rhythm, impulse may be delayed or nonconducted, varies in rate From an ecotopic focus above the bundle of His, “re-entry” rate from 100 to 300/minute, regular rhythm. May decrease CO Ectopic atrial focus “reentry” Atrial rate is 250 to 400bpm, usually with slow vent ...
learning activity module - selu moodle
... Performing Emergency Manual External Defibrillation (Asynchronous) ...
... Performing Emergency Manual External Defibrillation (Asynchronous) ...