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Figure 3: Ultrasound image showing internal jugular vein with central venous catheter adjacent to internal carotid artery. Left panel - internal carotid artery with Doppler waveform. Right panel - internal jugular vein with Doppler waveform

Figure 3: Ultrasound image showing internal jugular vein with central venous catheter adjacent to internal carotid artery. Left panel - internal carotid artery with Doppler waveform. Right panel - internal jugular vein with Doppler waveform