Hepatitis B: Symptoms. In many cases there are no symptoms in the early stages of hepatitis B infection. Many children and some adults do not develop any symptoms until complications, such as cirrhosis develop. Symptoms of hepatitis B can include flu-like symptoms, fever, headache, nausea, muscle aches and weakness.
The autonomic nervous system (ANS) is a very complex, multifaceted neural network that maintains internal physiologic homeostasis. This network includes cardiovascular, thermoregulatory, GI, genitourinary (GU), and ophthalmologic (pupillary) systems (see the following image).
ACS is an acronym which most often stands for Acute Coronary Syndrome. This may be included as one of your prior diagnoses, ACS includes myocardial infarction and unstable angina. It is unclear what ICS stands for, but this may mean Intermediate Coronary Syndrome. This is a term seldom used in by modern clinicians, but typically refers to a milder form of ACS of less severity. I hope this is helpful. Very best wishes!