Ultrasound Guided Stellate Ganglion Block in Postmastectomy Pain Syndrome: A Comparison of Ketamine versus Morphine as Adjuvant to Bupivacaine

<table>Indentation of anterior surface of longs collis muscle (black arrow) due to needle insertion inside longus collis muscle. Right transverse process of C6 (white arrow).</table>

Journal of Anesthesiology

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Figure 2: Ultrasound Guided Stellate Ganglion Block in Postmastectomy Pain Syndrome: A Comparison of Ketamine versus Morphine as Adjuvant to Bupivacaine 

Figure 2 | Ultrasound Guided Stellate Ganglion Block in Postmastectomy Pain Syndrome: A Comparison of Ketamine versus Morphine as Adjuvant to Bupivacaine 