Physical diagnosis denotes absence of pulmonic or valvular disease ib.
But the heart's action is irregular
Patient not conscious of this irregularity, though he sometimes
feels a symptom which he attributes to it
Dyspepsia precedes cardiac apnoea
Cardiac apnoea may not be fatal until some mechanical obstacle to
the circulation is presented
Condition of heart varies in cardiac apnoea dependent on poison
External surface of body generally blanched after death
Rigidity dependent on presence or absence of muscular contraction