Welcome to a primer on Upper and Lower Extremity duplex sonography.
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Arterial Sonography of the Upper and Lower Extremities
Liver Anatomy and Protocol basics
Liver Protocol basics. The liver is the largest internal organ, the right lobe is 5-6 times larger than the left. Normally measures about 15cm at mid clavicular line in adults, there is much variation in pediatric populations by age and size. The liver is covered by a layer of connective tissue referred … Continue reading Liver Anatomy and Protocol basics
Gastrointestinal Sonography
The gastrointestinal system (aka GI Tract, alimentary canal or digestive system) is a series of hollow tubes that begins in the mouth and ends in the anus. The primary function of the GI tract is to break down food into energy for the various metabolic processes involved with life. Digestion begins … Continue reading Gastrointestinal Sonography
Hepatic Steatosis (Fatty Liver)
Fatty liver is a condition consisting of the accumulation of fat (triglycerides) in the form of vesicles within the livers hepatocytes. Fatty liver is divided into two subcategories; alcoholic fatty liver disease ALFD and non-alcoholic fatty liver disease or NAFLD, though the clinical outcomes are nearly the same. The condition is also associated with other diseases … Continue reading Hepatic Steatosis (Fatty Liver)
An Ode to Nurses
We all know that crotchety RN with an attitude, but for every Nurse Ratched, there are multiple Florence Nightingales!
Gallbladder Infographic
References: http://emedicine.medscape.com/article/175667-overview http://emedicine.medscape.com/article/171886-overview Liddle, Rodger A., et al. "Cholecystokinin bioactivity in human plasma. Molecular forms, responses to feeding, and relationship to gallbladder contraction." Journal of Clinical Investigation 75.4 (1985): 1144. Stampfer, Meir J., et al. "Risk of symptomatic gallstones in women with severe obesity." The American journal of clinical nutrition 55.3 (1992): 652-658.
Transcranial Doppler
Transcranial Doppler is used to identify and interrogate the intracerebral arterial system. Normally the skull is impenetrable to Ultrasound waves, but using certain windows allows adequate penetration to monitor cerebrovascular hemodynamics.
