Electrocardiography is the process of producing an electrocardiogram (ECG or EKG), a recording of the heart's electrical activity through repeated cardiac...

towards potentially dangerous ventricular tachyarrhythmias. A resting electrocardiogram (ECG) is recorded in the supine position using an ECG machine equipped...

An electrocardiogram technician can have many roles in the hospital, based around the recording of electrocardiograms, as depicted here...

clinically different types of myocardial infarction. The standard 12 lead electrocardiogram (ECG) has several limitations. An ECG represents a brief sample in...

component to syncope. A medical history, physical examination, and electrocardiogram (ECG) are the most effective ways to determine the underlying cause...

The QT interval is a measurement made on an electrocardiogram used to assess some of the electrical properties of the heart. It is calculated as the time...

accessory pathway that results in re-entry. Diagnosis is typically by an electrocardiogram (ECG) which shows narrow QRS complexes and a fast heart rhythm typically...

ST depression refers to a finding on an electrocardiogram, wherein the trace in the ST segment is abnormally low below the baseline. It is often a sign...

less than 2.5 mmol/L. Low levels may also be suspected based on an electrocardiogram (ECG). The opposite state is called hyperkalemia that means high level...

ST elevation is a finding on an electrocardiogram wherein the trace in the ST segment is abnormally high above the baseline. The ST segment starts from...

the heart. A number of tests can help with diagnosis, including an electrocardiogram (ECG) and Holter monitor. Many arrhythmias can be effectively treated...

exercise. The criteria to diagnose a right bundle branch block on the electrocardiogram: The heart rhythm must originate above the ventricles (i.e., sinoatrial...

amitriptyline Diagnosis of sinus bradycardia can be confirmed by an electrocardiogram that shows the following characteristics: Rate: Less than 60 beats...

In cardiology, the P wave on an electrocardiogram (ECG) represents atrial depolarization, which results in atrial contraction, or atrial systole. The...

cardiomyopathy, electrolyte imbalance, or a heart attack. Diagnosis is by an electrocardiogram (ECG) showing a rate of greater than 120 beats per minute and at least...

arrhythmia ECG of a 67-year-old man with sinus arrhythmia, hypertension, diabetes and dyslipidemia. Specialty Cardiology Diagnostic method electrocardiogram...

common-mode interference. Biological signal amplifiers such as ECG (electrocardiogram) EEG (electroencephalogram) or EMG circuits measure very small electrical...

been associated with sinus node dysfunctions. The primary 12-lead electrocardiogram (ECG) finding in sinus node dysfunction is inappropriate sinus bradycardia...

toxins and autoimmune disorders. A diagnosis may be supported by an electrocardiogram (ECG), increased troponin, heart MRI, and occasionally a heart biopsy...

instead of a moving one. It almost always refers to either a flatlined electrocardiogram, where the heart shows no electrical activity (asystole), or to a...

demand by the heart, which can lead to rate related ischemia. An electrocardiogram (ECG) is used to classify the type of tachycardia. They may be classified...

cholesterol Premature atrial contractions are typically diagnosed with an electrocardiogram, Holter monitor, long-term continuous monitor, cardiac event monitor...

(LBBB) is a conduction abnormality in the heart that can be seen on an electrocardiogram (ECG). In this condition, activation of the left ventricle of the...

The U wave is a wave on an electrocardiogram (ECG). It comes after the T wave of ventricular repolarization and may not always be observed as a result...

primary use of the ECG is to rule out other causes of chest pain. An electrocardiogram (ECG) is routinely done on people with chest pain to quickly diagnose...

the history of the presenting illness and physical examination with electrocardiogram findings and cardiac markers (blood tests for heart muscle cell damage)...

mechanisms: re-entry or increased automaticity. Diagnosis is typically by electrocardiogram (ECG), Holter monitor, or event monitor. Blood tests may be done to...

The diagnostic tests in cardiology are methods of identifying heart conditions associated with healthy vs. unhealthy, pathologic heart function. Obtaining...

aECG (the HL7 Annotated Electrocardiogram) is a standard medical record data format for storing and retrieving electrocardiogram data for a patient. Like...

after feeling the pulse and confirm the diagnosis by interpreting an electrocardiogram (ECG). A typical ECG in AF shows irregularly spaced QRS complexes...