Debt will be accounted for in your application review. This includes foreign debt, student loan debt and lines of credit, whether or not they are currently due for repayment. These will factor into your debt service ratios. But, your projected income may be the key to your mortgage approval, nonetheless. It will show that you can afford to pay off existing debt and take on a home purchase. This is another reason medical students may want to use projected income mortgages. Otherwise, their debt with their current income may not leave many options open for a low-rate mortgage. Please see more on our website.