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Intensive Care Medicine Experimental
Figure 1 | Intensive Care Medicine Experimental

Figure 1

From: Systolic left ventricular function is preserved during therapeutic hypothermia, also during increases in heart rate with impaired diastolic filling

Figure 1

Recordings from spontaneous and atrially paced heart rates during normo (A) and hypothermia (B).The upper images in each panel show M-mode recordings with corresponding wall thickening velocities synchronized with pressure measurements (LVP), dp/dt, and electrocardiogram (ECG) below. The shaded area represents diastole which is shortened both by pacing and hypothermia. Hypothermia reduced peak systolic thickening velocity (S′) and shifted the diastolic velocities from predominantly early (e′) towards late (atrial-induced) (a′). Pacing during hypothermia caused fusion of the e′ and a′ waves (marked by an asterisk). IVC, isovolumetric contraction.

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