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2. Electrocardiography - Wikipedia

   en.wikipedia.org/wiki/Electrocardiography

   Use of real time monitoring of the heart in an intensive care unit in a German hospital (2015), the monitoring screen above the patient displaying an electrocardiogram and various values of parameters of the heart like heart rate and blood pressure. Electrocardiography is the process of producing an electrocardiogram ( ECG or EKG[ a] ), a ...

3. Left bundle branch block - Wikipedia

   en.wikipedia.org/wiki/Left_bundle_branch_block

   Cardiology, Emergency Medicine. Left bundle branch block ( LBBB) is a conduction abnormality in the heart that can be seen on an electrocardiogram (ECG). [ 1] In this condition, activation of the left ventricle of the heart is delayed, which causes the left ventricle to contract later than the right ventricle .

4. Sinus rhythm - Wikipedia

   en.wikipedia.org/wiki/Sinus_rhythm

   Sinus rhythm. A sinus rhythm is any cardiac rhythm in which depolarisation of the cardiac muscle begins at the sinus node. [ 1] It is necessary, but not sufficient, for normal electrical activity within the heart. [ 2] On the electrocardiogram (ECG), a sinus rhythm is characterised by the presence of P waves that are normal in morphology. [ 2]

5. Atrioventricular block - Wikipedia

   en.wikipedia.org/wiki/Atrioventricular_block

   Atrioventricular block. Atrioventricular block ( AV block) is a type of heart block that occurs when the electrical signal traveling from the atria, or the upper chambers of the heart, to ventricles, or the lower chambers of the heart, is impaired. Normally, the sinoatrial node (SA node) produces an electrical signal to control the heart rate.

6. Algorithm spots abnormal heart rhythms with doctor-like accuracy

   www.engadget.com/2017-07-09-stanford-algorithm...

   See, an ECG doesn't always show the presence of arrhythmia, so doctors sometimes order patients to wear a wearable ECG device to monitor their heartbeat for two weeks.

7. Heart block - Wikipedia

   en.wikipedia.org/wiki/Heart_block

   Heart block. Heart block ( HB) [ 1] is a disorder in the heart 's rhythm due to a fault in the natural pacemaker. [ 2] This is caused by an obstruction – a block – in the electrical conduction system of the heart. Sometimes a disorder can be inherited. Despite the severe-sounding name, heart block may cause no symptoms at all in some cases ...

8. Fitbit gets FDA clearance for its Sense smartwatch and ECG app

   www.engadget.com/fitbit-sense-smartwatch-fda...

   christine fisher. Contributing Writer. Mon, Sep 14, 2020 · 1 min read. Fitbit. Fitbit’s $329 Sense smartwatch just earned clearance from the FDA (and the EU’s regulatory body) for its ...

9. Second-degree atrioventricular block - Wikipedia

   en.wikipedia.org/wiki/Second-degree_atrio...

   Avoidance of AV-nodal-blocking medication, pacemaker. Second-degree atrioventricular block (AV block) is a disease of the electrical conduction system of the heart. It is a conduction block between the atria and ventricles. The presence of second-degree AV block is diagnosed when one or more (but not all) of the atrial impulses fail to conduct ...