Fig 25.

51 year old hypertensive female treated with digoxin and verapamil for postoperative atrial fibrillation. When the surgeon asked his Registrar whether the therapy was successful, the latter said: “Yes and no”. This was true, but enraged the surgeon, and further explanation became necessary.

51 year old hypertensive female treated with digoxin     and verapamil for postoperative atrial fibrillation. When the surgeon     asked his Registrar whether the therapy was successful, the latter said:     “Yes and no”. This was true, but enraged the surgeon, and further     explanation became necessary.