Ruchi Mathur, MD, FRCP(C) is an Attending Physician with the Division of Endocrinology, Diabetes and Metabolism and Associate Director of Clinical Research, Recruitment and Phenotyping with the Center for Androgen Related Disorders, Department of Obstetrics and Gynecology at Cedars-Sinai Medical Center.
Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
Severely elevated blood sugar levels due to an actual lack of insulin or a
relative deficiency of insulin.
Abnormally low blood sugar levels due to too much insulin or other
glucose-lowering medications.
Insulin is vital to patients with type 1 diabetes - they
cannot live with out a source of exogenous insulin. Without insulin, patients with type 1 diabetes
develop severely elevated blood sugar levels. This leads to increased urine
glucose, which in turn leads to excessive loss of fluid and electrolytes in the
urine. Lack of insulin also causes the inability to store fat and protein along
with breakdown of existing fat and protein stores. This dysregulation, results
in the process of ketosis and the release of ketones into the blood. Ketones
turn the blood acidic, a condition called diabetic ketoacidosis (DKA). Symptoms
of diabetic ketoacidosis include
nausea, vomiting, and abdominal pain. Without
prompt medical treatment, patients with diabetic ketoacidosis can rapidly go
into shock,
coma, and even death.
Diabetic ketoacidosis can be caused by infections,
stress, or trauma all which may increase insulin requirements. In addition,
missing doses of insulin is also an obvious risk factor for developing diabetic
ketoacidosis. Urgent treatment of diabetic ketoacidosis involves the intravenous
administration of
fluid, electrolytes, and insulin, usually in a hospital intensive care unit.
Dehydration can be very severe, and it is not unusual to need to replace 6-7
liters of fluid when a person presents in diabetic ketoacidosis. Antibiotics are
given for infections. With treatment, abnormal blood sugar levels, ketone
production, acidosis, and dehydration can be reversed rapidly, and patients can
recover remarkably well.
In patients with type 2 diabetes, stress, infection, and medications (such as
corticosteroids) can also lead to severely elevated blood sugar levels.
Accompanied by dehydration, severe blood sugar elevation in patients with type 2
diabetes can lead to an increase in blood osmolality (hyperosmolar state).
This condition can lead to coma (hyperosmolar coma). A hyperosmolar coma usually
occurs in elderly patients with type 2 diabetes. Like diabetic ketoacidosis, a
hyperosmolar coma is a medical emergency. Immediate treatment with intravenous
fluid and insulin is important in reversing the hyperosmolar state. Unlike
patients with type 1 diabetes, patients with type 2 diabetes do not generally
develop ketoacidosis solely on the basis of their diabetes. Since in general,
type 2 diabetes occurs in an older population, concomitant medical conditions
are more likely to exist, and these patients may actually be sicker overall. The
complication and death rates from hyperosmolar coma is thus higher than in DKA.
Hypoglycemia means abnormally low blood sugar (glucose). In patients with
diabetes, the most common cause of low blood sugar is excessive use of insulin
or other glucose-lowering medications, to lower the blood sugar level in
diabetic patients in the presence of a delayed or absent meal. When low blood
sugar levels occur because of too much insulin, it is called an insulin
reaction. Sometimes, low blood sugar can be the result of an insufficient
caloric intake or sudden excessive physical exertion.
Blood glucose is essential for the proper functioning of brain cells.
Therefore, low blood sugar can lead to
central nervous system symptoms such as:
The actual level of blood sugar at
which these symptoms occur varies with each person, but usually it occurs when
blood sugars are less than 65 mg/dl. Untreated, severely low blood sugar levels
can lead to coma, seizures, and, in the worse case scenario, irreversible brain
death. At this point, the brain is suffering from a lack of sugar, and this
usually occurs somewhere around levels of <40 mg/dl.
The treatment of low blood sugar consists of administering a quickly absorbed
glucose source. These include glucose containing drinks, such as orange juice,
soft drinks (not sugar-free), or glucose tablets in doses of 15-20 grams at a
time (for example, the equivalent of half a glass of juice). Even cake frosting applied
inside the cheeks can work in a pinch if patient cooperation is difficult. If
the individual becomes unconscious, glucagon
can be given by intramuscular
injection.
Glucagon causes the release of glucose from the liver
(for example, it promotes gluconeogenesis). Glucagon can be lifesaving and every
patient with diabetes who has a history of hypoglycemia (particularly those on
insulin) should have a glucagon kit. Families and friends of those with diabetes
need to be taught how to administer glucagon, since obviously the patients will
not be able to do it themselves in an emergency situation. Another lifesaving
device that should be mentioned is very simple; a medic alert bracelet should be worn by all patients
with diabetes.
Diabetes - Symptoms at Onset of DiseaseQuestion: The symptoms of diabetes can vary greatly from patient to patient. What were your symptoms at the onset of your disease?
One in every 20 people develop a kidney stone at some point in their life. A kidney stone is a hard mineral and crystalline material formed within the kidney or urinary tract. Kidney stones symptoms and signs are, blood in the urine and pain in the abdomen, flank (lower back), or groin. A number of different conditions can lead to kidney stones including: gout, hypercalciuria, people with inflammatory bowel disease, kidney disease, and hypoparathyroidism. Some medications also increase the risk of kidney stones.
Liver cancer is the fifth most common cancer in the world and the majority of patients with liver cancer will die within one year as a result. Patients with associated cirrhosis caused by chronic hepatitis B or C infections, alcohol, and hemochromatosis are at the greatest risk of developing liver cancer. Many patients with liver cancer do not develop symptoms until the advanced stages of the tumor which usually makes prognosis poor. The combination of an imaging study (ultrasound, CT, or MRI scans) and an elevated blood level of alpha-fetoprotein will most effectively diagnose liver cancer, while a liver biopsy can make a definitive diagnosis. Medical treatments, including chemotherapy, chemoembolization, ablation, and proton beam therapy, are not very effective. Surgical removal of the tumor or a liver transplant may be most effective in certain cases.
Blood clots can occur in the venous and arterial vascular system. Blood clots can form in the heart, legs, arteries, veins, bladder, urinary tract and uterus. Risk factors for blood clots include high blood pressure and cholesterol, diabetes, smoking, and family history. Symptoms of a blood clot depend on the location of the clot. Some blood clots are a medical emergency. Blood clots are treated depending upon the cause of the clot. Blood clots can be prevented by lowering the risk factors for developing blood clots.
A sty (sometimes spelled stye) is a tender, painful red bump located at the base of an eyelash or on, inside, or under the eyelid, which is the result of an acute infection of the oil glands of the eyelid. Complications of a sty can be blepharitis and chalazion.
Cellulitis is an acute spreading bacterial infection below the surface of the skin characterized by redness, warmth, inflammation, and pain. The most common cause of cellulitis is the bacteria Staph (Staphylococcus aureus).
A stroke results from impaired oxygen delivery to brain cells via the bloodstream. A stroke is also referred to as a CVA, or cerebrovascular incident. Symptoms of stroke include: sudden numbness or weakness of the face, arm or leg. Sudden confusion, trouble speaking or understanding. Sudden trouble seeing in one or both eyes, sudden trouble walking, dizziness, or loss of balance, and/or sudden severe headache with no known cause. A TIA, or transient ischemic attack is a short-lived temporary impairment of the brain caused by loss of blood supply. Stroke is a medical emergency.
Athlete's foot (tinea pedis) is a skin infection caused by the ringworm fungus. Symptoms include itching, burning, cracking, peeling, and bleeding feet. Treatment involves keeping the feet dry and clean, wearing shoes that can breathe, and using medicated powders to keep your feet dry.
Cholesterol is naturally produced by the body, and is a building block for cell membranes and hormones. Low-density lipoprotein (LDL) cholesterol is the "bad" cholesterol, conversely, high-density lipoprotein (HDL) cholesterol is the "good" cholesterol. High cholesterol treatment includes lifestyle changes (diet and exercise), and medications such as statins, bile acid resins, and fibric acid derivatives.
Thrush is an infection of the mouth caused by the candida fungus. Symptoms of Thrush include pain or difficulty swallowing, a feeling that food gets stuck in the throat, and fever.
Itching can be a common problem. Itches can be localized or generalized. There are many causes of itching to include: infection (jock itch, vaginal itch), disease (hyperthyroidism, liver or kidney), reactions to drugs, and skin infestations (pubic or body lice). Treatment for itching varies depending on the cause of the itch.
Heart attack happens when a blood clot completely obstructs a coronary
artery supplying blood to the heart muscle. A heart attack can cause chest pain, heart failure, and electrical
instability of the heart.
Hypoglycemia is a syndrome caused by low blood sugar. Symptoms of hypoglycemia include palpitations, trembling, intense hunger, sweating, nervousness, and weakness. Consuming lifesavers, table sugar, soda, and juice are good treatment options for hypoglycemia.
Retinal detachment is the separation of the retina from its attachments to the underlying eye tissue. Symptoms of retinal detachment include flashing lights and floaters. Highly nearsighted young adults and those who've had cataract surgery are at higher risk for retinal detachment.
Restless leg syndrome (RLS or restless legs syndrome) is a common cause for painful legs that typically eases with motion, and becomes worse and more noticeable at rest. This characteristic nighttime worsening can frequently lead to insomnia. Treatment of the symptoms of restless leg syndrome is generally with medication as well as treating any underlying condition causing restless leg syndrome.
A miscarriage is any pregnancy that ends spontaneously before the fetus can survive. Miscarriage usually occurs before the 13th week of pregnancy. The cause of a miscarriage cannot always be determined. The most common causes of a miscarriage in the first trimester are collagen vascular disease (lupus), hormonal problems, diabetes, chromosomal abnormalities, and congenital abnormalities of the uterus.
Carpal tunnel syndrome is a condition in which irritation of the wrist's median nerve causes tingling and numbness of the thumb, index, and the middle fingers. This condition is known as tarsal tunnel syndrome in the ankles and feet. Treatment of carpal tunnel syndrome depends on the severity of the symptoms and the nature of any disease that might be causing the symptoms.
Impotence, also known as erectile dysfunction, is a common
problem among men characterized by the consistent inability to sustain an
erection sufficient for sexual intercourse or the inability to achieve
ejaculation, or both. Impotence can have emotional causes but most often it is
due to a physical problem.
Insulin resistance is the diminished ability of cells to respond to the action of insulin in transporting glucose (sugar) from the bloodstream into muscle and other tissues. Causes of insulin can include conditions such as stress, obesity, metabolic syndrome, and steroid use. Some of the risk factors for insulin resistance include fatty liver, heart disease, strokes, peripheral vascular disease, high cholesterol, and smoking. Treatment for insulin resistance are lifestyle changes and if necessary, medication.
Overactive bladder is a sudden involuntary contraction of the muscle wall of the bladder causing urinary urgency (an immediate unstoppable need to urinate). Overactive bladder is is a form of urinary incontinence. Treatment options may include Kegel exercises, biofeedback, vaginal weight training, pelvic floor electrical stimulation, behavioral therapy, and medications.
Vancomycin-resistant enterococci (VRE) infection is the most common type of infection acquired by patients while hospitalized. Patients at risk for VRE are those who are already ill, and hospitalized, including individuals with diabetes, elderly, ICU patients, kidney failure patients, or patients requiring catheters. Enterococci can survive for months in the digestive tract and female genital tract. Other risk factors for acquiring VRE include those how have been previously treated with vancomycin and combinations of other antibiotics. Treatment of VRE is generally with other antibiotics other than vancomycin. Prevention of VRE can be achieved by proper hand hygiene.
Dysphagia or difficulty in swallowing, swallowing problems. Dysphagia is due to problems in nerve or muscle control. It is common, for example, after a stroke. Dysphagia compromises nutrition and hydration and may lead to aspiration pneumonia and dehydration.
Heart disease (coronary artery disease) is caused by a buildup of cholesterol deposits in the coronary arteries. Risk factors for heart disease include smoking, high blood pressure, heredity, diabetes, peripheral artery disease, and obesity. Symptoms include chest pain and shortness of breath. There are a variety of tests used to diagnose coronary artery disease. Treatment includes life-style changes, medications, procedures, or surgery.
Hyperglycemia is a serious health problem for diabetics. There are two types of hyperglycemia, 1) fasting, and 2)postprandial or after meal hyperglycemia. Hyperglycemia can also lead to ketoacidosis or hyperglycemic hyperosmolar nonketotic syndrome (HHNS). There are a variety of causes of hyperglycemia in people with diabetes. Symptoms include increased thirst, headaches, blurred vision, frequent urination and more. Treatment can be achieved through lifestyle changes or medications changes. Carefully monitoring blood glucose levels is key to prevention.
Encephalopathy means brain disease, damage, or malfunction. Causes of encephalopathy are varied and numerous. The main symptom of encephalopathy is an altered mental state. Other symptoms include lethargy, dementia, seizures, tremors, and coma. Treatment of encephalopathy depends on the type of encephalopathy (anoxia, diabetic, Hashimoto's, hepatic, hyper - hypotensive, infectious, metabolic, infections, uremic, or Wernicke's) are examples of types of encephalopathy.
Obesity is the state of being well above one's normal weight. A person has traditionally been
considered to be obese if they are more than 20 percent over their ideal weight.
That ideal weight must take into account the person's height, age, sex, and
build.
The major goal in treating diabetes is controlling elevated blood sugar without causing abnormally low levels of blood sugar. Treatment for type 1 diabetes is with insulin, exercise, and a diabetic diet. Treatment for type 2 diabetes is first treated with weight reduction, a diabetic diet, and exercise. When these measures fail to control the elevated blood sugar, oral medications are used. If oral medications are still insufficient, insulin medications are considered.
Diabetic Neuropathy is a complication of diabetes that causes damage to the nerves; this is related to the blood glucose of the body being too high for a long period of time. The four types of neuropathy include peripheral, autonomic, proximal and focal.
The main features of metabolic syndrome include insulin resistance, hypertension (high blood pressure), cholesterol abnormalities, and an increased risk for clotting. Patients are most often overweight or obese. Lifestyle modification such as the Mediterranean diet, exercise, and quitting smoking are the preferred treatment of metabolic syndrome.
Radiculopathy, a condition in which a nerve or nerves along the spine are compressed causing pain, numbness, weakenss, and tingling along the nerve(s). Some causes of radiculopathy include bone spurs, disc hernation, osteoarthritis, tumors, infection, and neuropathy. Treatment depends on the are of nerve compression. Surgery is generally not required.
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