Heart block
Section 4 Heart block First degree heart block Second degree heart block – Mobitz type 1 or Wenckebach AV block Second degree heart block – Mobitz type 2 Second degree…
Pacemakers
Section 5 Pacemakers Ventricular pacemaker Dual chamber pacing (AV sequential pacing) Problems with pacemakers – failure to sense Problems with pacemakers – failure to capture Polymorphic VT with cardioversion and…
Technical issues
Section 9 Technical issues Electrical interference Skeletalmuscle interference Regular skeletal muscle interference ‘Technical’ dextrocardia Misplaced chest leads Case 84 A routine preoperative recording Electrical interference • A regular wave at…
studies and answers
Fig. 2 Fig. 3 Fig. 4 Case 1 Your opinion is requested on the pre-operative risk assessment of a moderately obese 79-year-old female due to undergo hip replacement surgery. She…
The exercise stress test
Fig. 64.2 Presence of epicardial coronary artery disease (CAD) related to age and sex (a) women, (b) men, (c) symptoms and (d) ECG changes. Probably no test is as used…
Genetic pro-arrhythmic conditions
Fig. 39.2 Measurement of the QT interval. It is usual to measure the QT interval in lead II (the T wave is often very well defined). The QT interval is…
