At about 18 to 20 weeks, it is possible to hear a baby's heartbeat with a stethoscope, states Health & Parenting. Typically a doctor uses a heart rate Doppler to listen to a fetal heartbeat, which can be heard much earlier than with the use of a stethoscope.
When searching for the baby's heartbeat, it is possible to hear the mother's heartbeat as well as the baby's, states Health & Parenting. The baby's heartbeat is much faster than the mother's, averaging between 120 and 160 beats per minute. Inability to hear the heartbeat should not cause concern as the position of the placenta, age of the fetus, amount of amniotic fluid, weight of the mother, and position of the baby can affect the ability to hear the heartbeat using a stethoscope.Learn More
Following a colonoscopy, most patients are advised to return to a regular diet, but to avoid any spicy or greasy foods. Mild nausea is usually present following the procedure, and some patients may not have a full appetite the same day; regular appetite is generally restored by the day following the procedure, according to Colon & Rectal Surgery Associates.Full Answer >
A lung biopsy can be obtained with the use of different procedures that include needle biopsy, transbronchial biopsy, thoracoscopic biopsy and open biopsy, describes Johns Hopkins Medicine. In all of these procedures the doctor removes a piece of lung tissue, and a pathologist examines it with a microscope.Full Answer >
White spots show up on a bone scan around the dark spots, which indicate an increased accumulation of radioactive material from the scan. In other words, the white areas surround the dark areas that indicate various medical problems, including cancer and arthritis, depending upon where the dark spots appear. MedlinePlus states that an abnormal bone scan shows hot spots and/or cold spots in comparison to surrounding bone.Full Answer >
The most common blood test, the complete blood count, or CBC, measures red blood cells, white blood cells, hemoglobin, hematocrit, platelets and mean corpuscular volume of the blood, according to the National Heart, Lung and Blood Institute. This test is often used to check symptoms and diagnose a wide variety of conditions, such as anemia, infections, blood cancers, clotting problems and immune system disorders.Full Answer >