General ultrasound In the critically ill - part 6 pot

... line: the pleur- al line (Fig. 16. 1). The pleural line reflects the inter- Fig. 16. 1. This is the visible pattern when a probe is applied in a longitudinal axis over the thorax of a nor- mal ... volume on inspiration. Therefore, a lung sign will appear at the boundary area, at the precise line where the lung reaches the wall, since the lung surface in contac...

Ngày tải lên: 09/08/2014, 15:20

... device as in the 25 previous chap- ters. The operator must invest, however, in under- standing the position of objects in space. The needle must follow the sole plane of the probe. The needle ... some or a major- ity of cases? This could make the Doppler informa- tion redundant in first-line analysis in these cases. Another application of a two-dimensional sca...

Ngày tải lên: 09/08/2014, 15:20

... Conducting an Ultrasound Examination 15 probability the first to study assessing the useful- Conducting an Ultrasound Examination ness of general ultrasound, handled by the inten- sivist ... including only notions useful in emergency situa- tions. The abdomen is in fact a modest part of gener- al ultrasound examination, and the reader will find the rest of t...

Ngày tải lên: 09/08/2014, 15:20

... Murphy's ultrasound sign 4 .6 mm (3. 0 -6 .2) 103 mm (6 5-1 50) 40 mm (2 9-5 5) 90% 12% 8% 4.5 mm (3. 0-7 ) 105 mm (8 4-1 60 ) 37 mm (2 3-5 6) 66 % 0 10% Extreme values are in parentheses. 44 ... Two-dimensional ultra- sound, in well-trained hands, gives a three-dimen- sional image of an area. It accurately steers the material through the inferi...

Ngày tải lên: 09/08/2014, 15:20

... collapsed. In the longitudi- nal approach, the borders of the vein are never per- fectly parallel (although in the artery they are). Dynamic changes in the vein are often vast, where- as the artery ... splenomegaly. The probe must be applied rather posteriorly at the last inter- costal spaces. In a supine patient, the distal part of the probe should in prac...

Ngày tải lên: 09/08/2014, 15:20

... confuse the young operator. • FiUing the venous lumen when the vein seems empty: - Using fluid therapy. - Lowering the feet using the balance pedal of the bed. - Manually compressing the common ... method at the internal jugular vein: make a skin landmark at the area of the vein, switch off the ultrasound Fig. 12. 16. The operator's hand hold...

Ngày tải lên: 09/08/2014, 15:20

... i.e., the ultrasound B line (Fig. 17 .6) . This description dis- tinguishes the B line from the Z line (Fig. 17.7) and the E line (see Fig. 16. 11, p 113). The elaborated sign is the ... may indicate a certain diagnostic uncertainty. »Hepatization« is an interesting word in the ultra- sound field, since the lung and the liver have a sim- ilar pattern. The t...

Ngày tải lên: 09/08/2014, 15:20

... the sinusogram, a self-explanatory term (Fig. 21.1). Maxillary sinusitis gives a two-step sign. At the first level, there can be a sinusogram, according to an all-or-nothing rule. At the ... that the amount of information lost in hemodynamic terms is regained in terms of diagnosis. For exam- ple, fine analysis of the Doppler signal of the pul- monary veins in a...

Ngày tải lên: 09/08/2014, 15:20

... neurological examination. Indeed, where is the harm in placing a mechanical probe^ over the tibia in order to explore deep sen- sitivity, thus leaving the cumbersome tuning fork in the attic? In addition, ... suitable ultrasound unit, suitable training and suitable checking of standards could then be com- bined. The Ultrasound Unit from the beginning, basic steps c...

Ngày tải lên: 09/08/2014, 15:20

... FWIND 90.9 46. 9 99.34 98.87 90.9 90.88 91.4 90.2 FLOAD 9.1 53.1 0 .66 1.13 9.1 9.12 8 .6 9.8 FNSHS 31. 365 31. 365 31. 365 31. 365 31. 365 31. 365 58.230 - DNSHS 66 3 .65 66 3 .65 66 3 .65 66 3 .65 66 3 .65 66 3 .65 ... FWIND 90.9 46. 9 99.34 98.87 90.9 90.88 91.4 90.2 FLOAD 9.1 53.1 0 .66 1.13 9.1 9.12 8 .6 9.8 FNSHS 31. 365 31. 365 31. 365 31. 365 31. 365 31. 365 58.230...

Ngày tải lên: 19/06/2014, 21:20