DMS Faculty Office: 3158

• Clinical Associate Professor
• BS 1976, Northern Kentucky University
• MS 1979, The Ohio State University
• DVM 1983, The Ohio State University
• MS 1988, Colorado State University
• Diplomate, American College of Veterinary Internal Medicine, 1989

Cardiopulmonary disease in cats and dogs; systemic hypertension. Hormonal interactions in systemic hypertension associated with chronic renal disease in cats (investigator).

Pulmonary and cardiovascular diseases to 3rd year veterinary medical students; clinical cardiology and internal medicine rotation to 4th year students.

Acquired cardiac diseases of cats and dogs; systemic hypertension in cats; pulmonary diseases of cats and dogs; echocardiography.

American College of Veterinary Internal Medicine, small animal internal medicine, 1989 

Colorado State University, Fort Collins, Colorado, Master of Science in Clinical Sciences, 1988

The Ohio State University, Columbus, Ohio, Doctor of Veterinary Medicine, 1983

The Ohio State University, Columbus, Ohio, Master of Science in Physiology, 1979

Henik RA, Stepien RL, Wenholz LJ, Dolson MK:  Efficacy of atenolol as a single antihypertensive agent in hyperthyroid cats.  J Fel Med Surg (accepted 11/07)

Henik RA, Brown SA:  Systemic Hypertension.  In Tilley LP, Oyama MA, Smith FWK, Sleeper MM (eds.):  Manual of Canine and Feline Cardiology. 4th ed.  Saunders Elsevier, St. Louis MO 2008; pp 277-286.

Henik RA, Kellum HB, Bentjen SA, Mealey KL:  Digoxin and mexiletine sensitivity in a Collie with the MDR1 mutation.  J Vet Intern Med 20: 415-417, 2006.

Henik RA, Dolson MK, Wenholz LJ: How to obtain a blood pressure measurement. Clin Tech Small Anim Prac 20:144-150, 2005

Henik RA, Stepien RL, Bortnowski HB: Spectrum of M-mode echocardiographic abnormalities in 75 cats with systemic hypertension. J Am Anim Hosp Assoc 2004;40:359-363.

Henik RA: Pulmonary Hypertension. In Bonagura JD (ed.): Kirk’s Current Veterinary Therapy XIV (in press).

Stepien RL, Henik RA: Therapy of Systemic Hypertension. In Bonagura JD (ed.): Kirk’s Current Veterinary Therapy XIV (in press).

Steele JL, Henik RA: Pulmonary hypertension. In, King L (ed.): Textbook of Respiratory Medicine and Surgery in Dogs and Cats. WB Saunders Co., Philadelphia 2004; pp 498-504.

Steele JL, Henik RA, Stepien RL. Effects of angiotensin-converting enzyme inhibition on plasma aldosterone concentration, plasma renin activity, and blood pressure in spontaneously hypertensive cats with chronic renal disease. Vet Ther 3: 157-166, 2002.

Henik, RA, Synder PS, Volk, LM. Treatment of systemic hypertension in cats with amlodipine besylate. J Am Anim Hosp Assoc 33: 226-234, 1997. Henik RA: Echocardiography and Doppler ultrasound. In, Tilley LP, Goodwin J-K (eds.): Manual of Canine and Feline Cardiology, 3rd ed. WB Saunders Co., Philadelphia, 2001, p 71-98.

Jensen JL, Henik RA, Brownfield M, Armstrong J:Plasma renin activity and angiotensin I and aldosterone concentrations in cats with hypertension associated with chronic renal disease. Am J Vet Res 58(5): 535-540, 1997. Henik RA, Dixon RM: Intravenous administration of levothyroxine for treatment of suspected myxedema coma complicated by severe hypothermia in a dog. J Am Ver Med Assoc 216(5): 713-717, 2000.

Henik RA, Forrest LJ, Friedman AL: Rickets in a cat due to excessive renal phophate loss and apparent abnormal vitamin D metabolism. J Am Vet Med Assoc 215(11): 1644-1649, 1999.