Appellee's attorney was subsequently contacted by Mr. Warncke, and said attorney advised Warncke that appellee had no interest in the premises and repudiated any liability on the lease agreement. Nothing further transpired on this matter until November 8, 1968. At that time Mr. Warncke was advised that the police had raided the place and arrested the hippies. Warncke went to the premises and found the glass door broken open and the lock on the door frame drilled out. Mr. Warncke boarded up the door in order to secure the empty premises.
This suit was filed on November 26, 1968, and was tried on April 29, 1969. In the interim the premises were not rented although a "For Rent" sign was placed on the premises by Mr. Warncke. Appellant ownedthat the heart be arrested, usually by administering a chemical solution, called cardioplegia, that temporarily paralyzes the heart muscle fibers. In procedures where the heart is arrested, circulation is maintained by a heart-lung machine.
During the procedure, manual manipulation and repositioning of the heart is usually necessary to access the blocked arteries. The posterior descending artery, for example, lies on the posterior surface of the heart. The surgeon or a surgical assistant is therefore required to lift and rotate the heart to expose the artery. Often, a surgeon uses his or her own hands to position the heart. However, it is difficult to maintain the heart in a secure and proper position by such techniques. In addition, direct manual contact with the heart may impair circulation, leading to reductions