Bradycardia

Written by Dr John L Gibbs, Consultant Paediatric Cardiologist, Yorkshire Heart Centre, Leeds General Infirmary. This presentation covers the many types of bradyarthymias, their ECG findings, investigation of them and finally some of the common treatment methods.  

Introduction Wash hands, check right patient, introduce yourself, get permission Ask the patient to sit up straight in a chair, and expose their neck down to the shoulders. You could ask them to look up a little bit. Remove any jewellery.   InspectionInspect the hands Hypothyroidism Lethargic, disinterested Bradycardia (radial pulse)  

All videos of this series: http://doctorprodigious.wordpress.com/2014/04/17/arrhythmias-and-pacemaker-basics-hong-kong-university/  

All videos of this series: http://doctorprodigious.wordpress.com/2014/04/17/arrhythmias-and-pacemaker-basics-hong-kong-university/  

All videos of this series: http://doctorprodigious.wordpress.com/2014/04/17/arrhythmias-and-pacemaker-basics-hong-kong-university/  

All videos of this series: http://doctorprodigious.wordpress.com/2014/04/17/arrhythmias-and-pacemaker-basics-hong-kong-university/  

Introduction Wash hands, check right patient, introduce yourself, get permission Ask the patient to sit up straight in a chair, and expose their neck down to the shoulders. You could ask them to look up a little bit. Remove any jewellery.   InspectionInspect the hands Hypothyroidism Lethargic, disinterested Bradycardia (radial pulse)  

All videos of this series: http://doctorprodigious.wordpress.com/2014/04/17/arrhythmias-and-pacemaker-basics-hong-kong-university/  

All videos of this series: http://doctorprodigious.wordpress.com/2014/04/17/arrhythmias-and-pacemaker-basics-hong-kong-university/  

All videos of this series: http://doctorprodigious.wordpress.com/2014/04/17/arrhythmias-and-pacemaker-basics-hong-kong-university/  

All videos of this series: http://doctorprodigious.wordpress.com/2014/04/17/arrhythmias-and-pacemaker-basics-hong-kong-university/  

Discussion of the pathophysiology of arrhythmias including tachycardia, bradycardia, Wolff-Parkinson-White syndrome, atrial fibrillation, and ventricular fib...  

A summary of sinus node dysfunction, including sinus arrhythmia, SA exit block, sinus pauses, sinus arrest, sinus bradycardia, chronotropic incompetence, sic...  

I don't understand why long QT cause a tachyarrhythmia (e.g. Torsades de pointes) when it is essentially a lengthening of the PQRST complex. Would you not expect to see a bradycardia?  

I work in an intensive care unit. Recently I was monitoring a patient with organophosphorus poisoning who was intubated and on ventilator. When I walked into duty, I auscultated the patient and found reduced breath sounds on either side. Presuming that the ET tube was blocked, I removed the ET tube and reintubated the patient, after which the air entry in both lungs was very good. Initially the patient regained saturation but after an interval of 30 minutes she desaturated, developed bradycardia and then went into cardiac arrest. She had been receiving about 10-12 g of atropine per day to counter the organophosphorus. What may be the cause of this cardiac arrest?  

The approved labeling change from the FDA warns of an increased risk of bradycardia with simeprevir when it is used in combination with amiodarone and sofosbuvir.  

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