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Fig. 4 | BMC Cardiovascular Disorders

Fig. 4

From: Changes in R-wave amplitude at implantation are associated with gender and orientation of insertable cardiac monitor: observations from the confirm Rx™ body posture and physical activity study

Fig. 4

Position of ICM implant affected R-wave amplitude detected for female participants immediately following implant. RWAs for the two anatomical positions A. 45°relative to sternum (n = 46) and B. parallel to sternum (n = 44), selected for implanting Confirm Rx™ ICM. Parasternal positioning of ICM depicted differences in RS and LS postures compared to supine. Effect of gender was observed for RS and, RS and LS postures compared to Supine was observed for C. 45°relative to sternum (female n = 23 vs male n = 23) and D. parallel to sternum (female n = 26 vs male n = 18), respectively. Values for RWAs have been depicted as median and values range as minimum to maximum. Significance was determined by Kruskal–Wallis test or Mixed-effects Analysis with p-value as < 0.05 considered significant. *P-value is <0.05. RS = lying on Right Side, LS = lying on Left Side, Stand- Standing, Iso-Push- Isometric Push, Iso-Pull- Isometric Pull, Bal-Ballottement, CT- Chest Thumping, DP-Tip/Mid/Base- Device Pressure/Pressure on ICM at the tip, middle or lower part, AF- Arm Flaps, LHS- Left Arm Handshakes

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