Also known as Cardiac Catheter Ablation Catheter ablation is a procedure that uses energy to make small scars in your heart tissue to prevent abnormal electrical signals from moving through your heart.
However, for any tax year, all current-year contributions are deducted first. The second 50% limitation refers to gifts (other than capital gain property) to certain types of charitable organizations (50% charities) that are considered first in computing the overall 50% limit.
Donation Limitations. The limitations on how much you can write off on your taxes for charitable contributions are very high: Your total charitable deduction for the year can't exceed 50 percent of your adjusted gross income. For example, if your AGI is $45,000, you can't deduct more than $22,500 for all your charitable contributions put together. However, to claim the charitable donation deduction, you must itemize your deductions, which means your total deductions must exceed the standard deduction you are entitled to.