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The name of WE. "Bill" Hartnoll. is a familiar one to thousands of gardening enthusiasts throughout Canada and the United States. A noted teacher. lecturer and writer on all phases of plant propaga- tion. he is a long-time con- sultant to both amateur and professional horticulturists alike. ' Mr, Hartnoll currently hosts a number of gardening features on radio and T V. among them his very popu- lar phone-in program on CHML-Radio, Hamilton, This graph shows the heart rate recorded on an electrocardiogram when the subject is in an inactive state. This graph shows the increased heart rate recorded on an electrocardiogram after the subject walks on a treadmill. "The function of these tests is to determine the exercise level at which the patient can function, what type of medication he should be taking, if any, and whether or nbt the patient should go for cor- onary angiography," Dr. Fowlis said. The latter is a special fr-ray technique used for investigating heart disease. Patients are referred to London, Hamilton or Toronto if an angiography is warrant- During the exercise cardiogram, the patient straddles the machine and hangs on to a bar in front of him. The treadmill is then started up slow- ly. The patient begins'to walk on the treadmill to establish a comfortable pace, then lets go of the bar. This is called the warm-up stage. Movement is slow to get the patient used to a little bit of exer- Cise. February is Heart Month, a time to involve the public in the struggle against heart disease. The Waterloo County Chapter of th'e Ontario Heart Foundation is very proud of the work be- ing accomplished by the Stress Lab at K-W Hos- pital. Dr. Ron Fowlis. a specialist of internal med. icine says this is a relatively new procedure at the hospital used to analyze potential coronary vic- tims. In its one-year of existence, more than 350 patients have been analyzed at the K-W Stress Lab. “Now take a long stride and relax," Dr. Fowlis assuringly tells the patient. .“That‘s it. Yoire do- ing fine. Are you feeling OK?" The patient says he is. The speed is increased. The electrocardiogram (EKG l is a means of measuring the electrical activity of the heart beat. the patient's response to exercise, as well as other changes that may be taking place within the heart. During the pre-exercise assessment, the patient is in a resting position while a routine cardiogram is taken. The actual test is an exercise cardiogram. taken while the patient exercises on a basic, motor- ized treadmill. - There are two steps' to the analysis: pre-exer~ cise assessment and monitoring of the patient's heart beat during exercise. The EKG continuously records the electrical Hartnoll speaks to horticulture group t AI 7 “HM. 9' m NJ 1“! "I: A i-tle "ll/ i, ll H". I MM Il'; !iill! ‘,:_y:’1r‘.m‘ [Llu ii' _ li, 'il, [r 'I,, "I . '_-,': 1 “1|“ I '/li,ll/'ji'" MHIxHA‘ ‘gj‘ NJ“! _l/rl!/,'lr, Stress lah assesses heart disease riSks By Monica Frim li,,' 3. M? In addition to his lifelong practical experience in the field of plant propagation. Mr. Hartnoll's formal training in botany. horti- cultural science and soil chemistry makes him un- and a weekly show on questionably one of the CB.C. that is beamed to most knowledgeable all- the people of the far north. round gardening authori- He teaches retarded, ties to be found in Canada blind, crippled and deaf to-day. children this great art of He will talk with the mem- gardening and also finds time to teach the old folks o . at Baycrest Hospital in Choir glve: Toronto, mu. The Chorale of the Men- nonite Brethren Bible Col- lege and College of the Arts, Winnipeg. will give a performance of varied Chorale music m Waterloo during a tour of the prov- ince " The results of the EKG are immediately avail- able as the heart beat is recorded on a tape issued ' The average maximum heart beat rate tor a 20- year-old is 200 beats per minute. After that. it grad- ually declines. The patient continues the exercise until his max- imum or sub-maximum heart rate is found. Heart beat increases with exercise but eventually reach- es a plateau during which heart beat does not change with an increase in exercise, Dr. Fowlis says. Cindy Ash. resprr' atory technologist at the RAN Hospital keeps a close check on patient, David Campbell during a workout on the treadmill in the hospital's stress Lab. An EKG is used to measure David's heart beat during exercise. . activity of the patient's heart while a respiratory by the EKG. The results are then sent to the pa- technologist checks his blood pressure. Dr. Fowlis tient's family doctor. records the number of beats per minute each time The stress lab is used to give an objective as- the speed of the treadmill is adjusted. _ sessment of a patient's risk in contracting heart Choir gives concert The Chorale. directed by William Baerg, will sing at Wilfrid Laurier Univer- sity Feb. 25 at 12:30 pm in Room 1E1. Arts Build- ing. The performance is free and all are welcome to attend bers of the Waterloo Horti- cultural Society, Friday February 25 at the Adult Recreational Centre at. 8 p.m. Everyone is wel- come. thatertoo Gimmick, m, Foam " These people may or may not have heart dis- ease. But even if the EKG tests prove negative, it gives them a great relief to know that there is noth- ing to worry about. The stress lab is used to give an objective as- sessment of a patient's risk in contracting heart disease. Most patients are referred to the lab by their family doctors. Others have suffered a heart attack and are simply looking for an obiective eval- uation of the amount of stress with which their heart can cope. Others have a family history of coronary diseases, while others complain of chest pains. PERM SPECIAL. 'llc".";",',) Set Sit 50 Reg. $20.00. Now $15.00 & Blow thy 57 oo Reg. $25.00, Now SI 7.50 Shampoo Stye Cu! 8. Set stroo Reg. $30.00, Now $20.00 Hancuts $400 up (Body. Medium or Curly) SPECIAL PRICES ON PERMS FOR SENIOR CITIZENS Mon, Tues ' Wed ~$13 50, $15 50. $17 50 & Blow thy S7 oo Shampoo Sthie Cut lt Set Stroo Honcuts $400 up Coiffu re Cottage an BEAUTY SALON Open Dany also Moo Tues Thur & Fr: Evemngs 61 Elm Crs, S. at Ertt St.. Waterloo PHONE 743-77tVt nan-Lana