11 träffar

ArticleEchocardiography
Physics of ultrasound

…and lows of the sine curve correspond to the maximum and minimum pressure, respectively, in the medium. This is illustrated in Figure 3. Figure 3…

ArticleProcedurer
Skin biopsy — punch, shave and excision

…from a fresh blister (routine), one from perilesional skin (immunofluorescence) The immunofluorescence biopsy goes into Michel's medium, not formalin Suspected vasculitis 4 mm punch…

ArticleInfo
🟠 Inotropes and Vasopressors

…additionally induces α1 stimulation and thus vasoconstruction and pronounced increase in SVR. As medium dose, and additionally severe hypertension (caution if patient on nonselective beta…

ArticleEchocardiography
Technical aspects of the ultrasound image

…This is actually exploited to calculate the direction and speed of tissue and fluid movements. All structures in a medium can reflect ultrasound waves. However…

ArticleEchocardiography
The ultrasound transducer

…pericardium, myocardium, etc. In the transition between each medium (tissue, blood, etc.), a significant portion of all sound waves will be reflected back to the…