References
- DiMarco J, Garan H, Harthorne JW, et al. Intracardiac electrophysiologic techniques in recurrent syncope of unknown cause. Ann Intern Med 1981: 95(5): 542–8
- Murdoch BD. Loss of consciousness in healthy South African men: incidence, causes and relationship to EEG abnormality. S Afr Med J 1980: 57(19): 771–4
- Kapoor WN, Karpf M, Maher Y, et al. Syncope of unknown origin: the need for a more cost-effective approach to its diagnostic evaluation. JAMA 1982: 247(19): 2687–91
- Silverstein MD, Singer DE, Mulley AG, et al. Patients with syncope admitted to medical intensive care units. JAMA 1982: 248(10): 1185–9
- Day SC, Cook EF, Funkenstein H, et al. Evaluation and outcome of emergency room patients with transient loss of consciousness. Am J Med 1982: 73(1): 15–23
- Kapoor WN, Karpf M, Wieand S, et al. A prospective evaluation and follow-up of patients with syncope. N Engl J Med 1983: 309(4): 197–204
- Lipsitz LA, Nyquist PR Jr. Wei JY, et al. Postprandial reduction in blood pressure in the elderly. N Engl J Med 1983: 309(2): 81–3
- Wayne HH. Syncope: physiological considerations and an analysis of the clinical characteristics in 510 patients. Am J Med 1961: 30(3): 418–38
- Pathy MS. Clinical presentation of myocardial infarction in the elderly. Br Heart J 1967: 29(2): 190–9
- Johnson RH. Blood pressure and its regulation. In: Caird FI. Dall JL, Kennedy RD, eds. Cardiology in old age. New York: Plenum Press, 1976: 101–26
- Sobel BE, Roberts R. Hypotension and syncope. In: Braunwald E. ed. Heart disease. Philadelphia: WB Saunders. 1980: 952–1131
- MacLennan WJ, Hall MR, Timothy JI Postural hypotension In old age: is it a disorder of the nervous system or of blood vessels? Age Ageing 1980: 9(1): 25–32
- Duthie EH, Gambert SR, Tresch D. Evaluation of the systolic murmur in the elderly. J Am Geriatr Soc 1981: 29(11): 498–502
- Chun PK, Dunn BE. Clinical clue of severe aortic stenosis: simultaneous palpation of the carotid and apical impulses. Arch Intern Med 1982: 142(13): 2284–8
- Walter PF, Crawley IS, Dorney ER. Carotid sinus hypersensitivity and syncope. Am J Cardiol 1978: 42(3): 396–403
- McAnulty JH, Rahimtoola SH, Murphy E, et al. Natural history of “high risk bundle-branch block”: final report of a prospective study. N Engl J Med 1982: 307(3): 137–43
- Lesch M, Kehoe RF. Predictability of sudden cardiac death. N Engl J Med 1974: 310(4): 255–7
- Kapoor W, Peterson J, Karpf M. Ambulatory monitoring in patients with syncope: lack of correlation between symptoms and simultaneous cardlographic findings. (Abstr) Clin Res 1982: 30(2): 196A
- Clark PI, Glasser SP, Spoto E Jr. Arrhythmias detected by ambulatory monitoring: lack of correlation with symptoms of dizziness and syncope. Chest 1980: 77(6): 722–5
- Zeldis SM, Levine BJ, Michelson EL, et al. Cardiovascular complaints: correlation with cardiac arrhythmias on 24-hour electrocardiographic monitoring. Chest 1980: 78(3): 456–61
- Kapoor W, Fogoros R, Alpert B, et al. Prospective syncope study: yield of electrophysiologic studies. (Abstr) Clin Res 1983: 31 (2): 194A
- Gulamhusein S, Naccarelli G, Ko PT, et al. Value and limitations of clinical electrophysiologic study in assessment of patients with unexplained syncope. Am J Med 1982: 73(5): 700–5