About the unit IICU cares for a variety of patient populations and acuities. We typically care for patients post ICU stay from one of our 4 ICUS at Troy, and patients requiring more care than a Progressive Care Level can provide. You will experience patients who have tracheostomies, Strokes, CHF, ETOH withdrawal, Pneumonia, BiPAP, stable trach to vent patients, titratable IV drips, chest tubes, and many more medical and surgical disease processes.