Instructions Print out the powerpoint and complete each section . Pulse Sequence Diagrams 1. Fill in the SS, PE, and FE in the diagram 2. Describe when each step occurs in the sequence in the boxes to the left of the diagram 3. Fill in details when indicated (Repetition time, Echo Time, Inversion time and Flip angle] . Gradient Echo Description 1. Complete the parameter chart for GRE 2. Describe the listed T1, PD & T2* GRE sequences Conventional Spin Echo Pulse Sequence TH Draw and identify the timing spin echo for RF pulses, $5, and PE . RF 180 90 ISS PE . Discuss the FE and echo timing Dual Spin Echo Pulse Sequence upin echo Draw and identify the timing RF 90 180 90 for RF pulses, $5, and PE 55 . PE Discuss the FE and echo timingSTIR Complete the diagram Pulse Sequence by filling in the TR, TE, Inversion time specific to STIR sequences . RF 153 90" 180% SS . PE . FE Fast Spin /Turbo Spin Echo Pulse Sequence Draw and identify the timing for RF pulses, SS, and PE R 185 SS PE . Discuss the FE and echo timing Inversion Recovery Complete the diagram Pulse Sequence by filling in the TR, TE, Inversion time . RF 180 190 SS . PE * FEDefine Echo Planar Sequence Options Describe Ultrafast GRE Sequences Describe Rewound GRE Pulse SequencesDescribe Coherent GRE Pulse Sequences Describe Conventional Gradient Echo (GRE) Gradient Echo Fill in the missing information in the 6 blue boxes in the diagram Pulse Sequence Frequency Gradient Re-winding De-phase signal FID Gradient recalled echo