For this second installment of the All About Bradycardia (Slow Heart Rate) and EKG Machines article series, we will be discussing here about the possible causes of Bradycardia.
This cardiac arrhythmia can be underlain by several causes, which are best divided into cardiac and non-cardiac causes. Non-cardiac causes are usually secondary, and can involve drug use or abuse; metabolic or endocrine issues, especially in the thyroid; an electrolyte imbalance; neurologic factors; autonomic reflexes; situational factors such as prolonged bed rest; and autoimmunity. Cardiac causes include acute or chronic ischemic heart disease, vascular heart disease, valvular heart disease, or degenerative primary electrical disease. Ultimately, the causes act by three mechanisms: depressed automaticity of the heart, conduction block, or escape pacemakers and rhythms.
There are generally two types of problems that result in bradycardias: disorders of the sinoatrial node (SA node), and disorders of the atrioventricular node (AV node).
With sinus node dysfunction (sometimes called sick sinus syndrome), there may be disordered automaticity or impaired conduction of the impulse from the sinus node into the surrounding atrial tissue (an "exit block"). It is difficult and sometimes impossible to assign a mechanism to any particular bradycardia, but the underlying mechanism is not clinically relevant to treatment, which is the same in both cases of sick sinus syndrome: a permanent pacemaker.
Atrioventricular conduction disturbances (aka: AV block; 1o AV block, 2o type I AV block, 2o type II AV block, 3o AV block) may result from impaired conduction in the AV node, or anywhere below it, such as in the bundle of HIS.
Patients with bradycardia have likely acquired it, as opposed to having it congenitally. Bradycardia is more common in older patients.
Allow me to stop there for a moment to give a review on this yet another superb EKG device from the Cardioline brand: Cardioline ar1200view 3 Channel EKG. Also being listed in the EKGShop.com website, Cardioline ar1200view 3 Channel EKG is regarded as one of the recommended EKG Machines available in the market today as being used by most doctors and medical hospitals or clinics.
The Cardioline ar1200view 3 Channel EKG embodies the features of reliability, modularity, versatility and upgradability that characterize the latest generation of CARDIOLINE® electrocardiographs with a multi-channel ECG recording 120 mm with operating display.
This EKG offers an efficient and fast control of the recording quality thanks to the multichannel graphic display able to visualize the ECG signal before and during a recording with no need to print out immediately on paper.
This said EKG Machine has up to $30 reimbursement per test. It pays for itself after 75 tests. This ECG Machine has an automatic, manual and pre-programmed recording mode and multi-channel print format on 120 mm paper: 3, 3+R, 6 channels.
Aside from the abovementioned specs, this EKG also includes these features: multi-channel print format on 120 mm paper: 3, 3+R, 6 channels, full LCD Display type for ECG real time 3, 6 channels, full alphanumeric keyboard layout, dual power supply: mains and rechargeable internal batteries, memory of the last ECG recording and printing of additional copies and time and date indication.
Moreover, if you buy EKG on the website (www.ekgshop.com), they offer a 3-year manufacturers warranty. You can also avail for a 1 year extended warranty which is available for $ 199 only. Extended warranty plans available including free loaners and our exclusive Rapid Response Service.
For more info regarding this brand, you may visit the link below:
http://www.ekgshop.com/Product/ar1200view-3-Channel-EKG.html
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