How do I know when it is urgent to get an angiogram?

First, I would want to exclude an anatomical abnormality. They can cause obstruction and predispose to stone formation. This can be done with a CT scan or intravenous urogram. Metabolic abnormalities and dietary imbalance can also cause recurrent stones. Excessive oxalate can predispose to calcium oxalate stones. Foods like beets, spinach, chocolate and kale are high in oxalate. Excess uric acid in the urine (hyperuricemia) can lead to recurrent uric acid stones. This is the case for patients with gout or uric acid rich diet Citrate is an inhibitor of stone formation.

Yes, those with diabetes have a two to fourfold risk of developing Coronary Artery Disease (CAD) and the extent and severity of CAD depends on the duration of diabetes. Whether the extent of coronary disease will warrant a stent or other treatment depends on the results of the coronary angiogram.