§ Severe Pulmonary Hypertension

§ Severe Restrictive Lung Disease (Fvc < 1 Liter)

§ Heart Failure

§ Chronic Kidney Disease With Creatinine Greater Than 2 Mg/Dl

§ Severe Preeclampsia Or Previous Hellp.

§ Cvd In The Previous 6 Months.

§ Severe Lupus Flare In The Previous 6 Months.