Juha T. Takkunen

Frequency domain measures of heart rate variability before the onset of nonsustained and sustained ventricular tachycardia in patients with coronary artery disease.

Heikki V. Huikuri, Juhani Valkama, Tiina M. Seppänen et al. · Circulation · 1993 · 257 citations

Medicine, Cardiology, Clinical Cardiology +12

Circadian rhythm of heart rate variability in survivors of cardiac arrest

Heikki V. Huikuri, Markku K. Linnaluoto, Tapio Seppänen et al. · The American Journal of Cardiology · 1992 · 176 citations

Nursing, Cardiology, Physiology +16

Impaired vagal heart rate control in coronary artery disease.

Markku J. Ikäheimo, Markku K. Linnaluoto, Marjo Niemelä et al. · Heart · 1987 · 139 citations · Full text

Medicine, Cardiology, Physiology +17

Noninvasive evaluation of the athletic heart: Sprinters versus endurance runners

Markku J. Ikäheimo, I. Palatsi, Juha T. Takkunen · The American Journal of Cardiology · 1979 · 124 citations

Medicine, Physiology, Sports Medicine +16

Evidence of impaired left ventricular performance after an uninterrupted competitive 24 hour run.

Kari Niemelä, I. Palatsi, Markku J. Ikäheimo et al. · Circulation · 1984 · 116 citations

Medicine, Physiology, Sports Medicine +13