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An arrhythmia is an abnormal rate and/or rhythm of the heartbeat due to some problem with the electrical conducting system of the heart.
Ablation Therapy for Arrhythmias, Patients with cardiac arrhythmias may be asymptomatic, have serious symptoms and a poor quality of life, or present with sudden cardiac death. [ 1...
ECG Identification of Arrhythmias, Notes on arrhythmia ECG and timing Each large square (5 mm long) on the ECG trace represents 0.2 s (200 ms) of time (ie five squares per seco...
Cardiac Disease In Pregnancy, Sudden arrhythmic death syndrome The case definition for SADS is a sudden unexpected cardiac death (ie presumed fatal arrhythmia) where all ...
Sudden Cardiac Death in Young People, Sudden cardiac death (SCD) is an unexpected death due to cardiac causes occurring in a short time period (generally within one hour of the onset of sympt...
Abnormal Heart Rhythms (Arrhythmias), A section of the conducting fibres just becomes faulty and can trigger fast impulses. Are arrhythmias dangerous? Whether an arrhythmia...
Cardiac Catheterisation, What is a cardiac catheterisation? Cardiac catheterisation is a procedure in which a very thin plastic catheter is passed into the chambers of th...
Cardiac Tumours, Systemic symptoms, including fevers, arthralgia, and rigors. Cardiac tumours may also present with arrhythmias or heart murmurs that may vary with bod...
Cardiac Catheterisation, Angina and myocardial infarction. Arrhythmias. Pericardial tamponade. Stroke. Renal dysfunction. , Arrhythmias Coronary angiography C...
Cardiac Transplant, Investigations [ 1 ] Exercise testing with measurement of maximum oxygen uptake is often used to make an objective assessment of the severity of cardiac dysf...
Digoxin and the Cardiac Glycosides, Supraventricular tachycardia [ 2 ] Digoxin is a treatment option for paediatric supraventricular tachycardia . Cardiac glycosides are con...
Classifying anti-arrhythmic drugs Anti-arrhythmic drugs can be classified clinically into: Those that act on supraventricular arrhythmias - eg, adenosine, verapamil, cardiac...
Cardiac Enzymes, Enzymes are proteins that speed up chemical reactions and biological processes in your body. Cardiac enzymes are also sometimes called cardiac biomarkers. T...
Ambulatory electrocardiography (AECG) is used to detect, characterise and document cardiac arrhythmias in clinical practice. As some arrhythmias are infrequent or may occur only duri...
It is the treatment for immediately life-threatening arrhythmias with which the patient does not have a pulse, ie ventricular fibrillation (VF) or pulseless ventricular tachycardia (VT). [ 1 ...
Cardiac Rehabilitation, What is cardiac rehabilitation? Cardiac rehabilitation is the process by which a person who has coronary heart disease, or who has had a myoca...
Cardiac Investigations, Artificial intelligence (AI) is widely applied in cardiac applications, including coronary calcium scoring, coronary CT angiography, fractional flow reserve CT, plaque...
Cardiac Tamponade, Cardiac tamponade is caused by the accumulation of blood, fluid, pus, clots, or gas in the pericardial space, resulting in reduced ventricular filling and subsequent haem...
Exercise ECG testing may be useful if arrhythmia is triggered by exercise. Cardiac enzymes: if there is chest pain; patients with risk factors for myocardial infarction and patien...
Abnormally fast, slow or irregular heartbeats (cardiac arrhythmias) . Heart failure which can cause shortness of breath, swelling of the legs and tiredness.
Metabolic acidosis , acute renal failure (ARF), respiratory failure , cardiac arrhythmias and disseminated intravascular coagulation (DIC) all may complicate rhabdomyolysis.