Twenty-four hour ECGs
Fig. 63.2 (a) Print out from the time a patient was ‘dizzy’. Sinus rhythm gives way to a narrow complex bradycardia without preceding P waves. This is sinus arrest due…
Atrioventricular block – third degree (complete) heart block
Fig. 57.2 (a) Site of block. (b) Causes of acquired complete heart block (CHB). In third degree (complete) heart block (CHB) there is no electrical connection between the atria and…
Chronic chest pain
Fig. 19.2 (a) The Duke normogram. An exercise test using the Bruce protocol is undertaken. To obtain the risk of dying, a ruler is held between the mark for the…