pTx Pulseq in hybrid sequences Universal Pulses, made Truly Universal

Motivation: Advancing MRI sequence development by integrating parallel transmit capabilities with the open-source and widely-used Pulseq framework. Goal(s): To integrate pTx capabilities into the Pulseq framework, facilitating the design of universal pTx pulses that enhance imaging homogeneity and quality. Approach: Development of 'pTx-Pulseq' as a backwards-compatible extension, validated through single-channel control and complex sequence operation, culminating in a hybrid sequence that enhances a native MP-RAGE with Pulseq flexibility. Results: Effective control of pTx channels using pTx-Pulseq, yielding uniform imaging results and demonstrating the potential of hybrid sequencing for improved MRI applications. Impact: 'pTx-Pulseq' empowers researchers to universally and easily harness pTx technology, allowing for the creation of truly universally pTx pulses that reduce the burden of B1+ inhomogeneity and elevate the quality of high-field MRI.