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1. 核磁気共鳴画像法の原理principles of magnetic resonance imaging [show details]
…flow) or gradient moment nulling (GMN). GMN produces an increase in signal within blood vessels and is therefore used routinely in angiographic (gradient echo [GE]) sequences. The GMN gradient waveforms… magnetization of stationary tissue within the imaged slice becomes partially "saturated,"… increased vascularity), or trapping of gadolinium in myocardial infarcts, scars, inflammation, or infiltration, produces an increase in T1-weighted signal intensity over baseline. Hyperpolarized gases like …
2. 局所麻酔薬の皮下浸潤subcutaneous infiltration of local anesthetics [show details]
…for local infiltration, except in patients with allergy to amide agents . Lidocaine, bupivacaine, mepivacaine, and procaine are the most commonly used agents for subcutaneous infiltration of local anesthesia …
3. 低圧較差大動脈弁狭窄症のマネージメントと予後management and prognosis of low gradient aortic stenosis [show details]
…management and prognosis of low gradient AS will be reviewed here. Clinical manifestations and diagnosis of low gradient AS and the clinical presentation and treatment of high gradient severe AS are discussed …
4. 低圧較差の重症大動脈弁狭窄症の臨床症状と診断clinical manifestations and diagnosis of low gradient severe aortic stenosis [show details]
… and diagnosis of low gradient AS will be reviewed here. Management and prognosis of low gradient severe AS, and the clinical presentation and management of classical high gradient severe AS are discussed …
5. 成人の大動脈弁狭窄症における大動脈弁口面積aortic valve area in aortic stenosis in adults [show details]
…instantaneous pressure gradient (mmHg) and should not to be confused with the so-called peak-to-peak gradient obtained during cardiac catheterization. The mean Doppler-derived pressure gradient correlates highly …