Acute neonatal citrullinemia type I is a rare inherited metabolic disorder that affects newborns. It is caused by a deficiency of the enzyme argininosuccinate synthetase, which is responsible for the breakdown of the amino acid citrulline. Symptom...

Acute opioid poisoning is an overdose of opioids, which are drugs that act on the nervous system to reduce pain. It can occur when someone takes too much of an opioid medication or uses an opioid drug without a prescription. Symptoms of acute opio...

Acute pandysautonomia is a rare neurological disorder characterized by sudden and severe autonomic nervous system dysfunction. Symptoms may include dizziness, lightheadedness, nausea, vomiting, abdominal pain, diarrhea, sweating, and difficulty br...

Acute panmyelosis with myelofibrosis (APMF) is a rare form of myeloproliferative neoplasm (MPN) characterized by the rapid development of bone marrow fibrosis, anemia, and leukocytosis. It is a clonal disorder of hematopoietic stem cells that is a...

Acute peripheral arterial occlusion is a medical condition in which a blood vessel in the body becomes blocked, usually due to a clot. This can lead to a decrease in blood flow to the affected area, which can cause pain, numbness, and tissue death...

Acute poisoning by drugs with membrane-stabilizing effect is a type of poisoning caused by drugs that have the ability to stabilize the cell membrane. These drugs are typically used to treat conditions such as seizures, arrhythmias, and hypertensi...

Acute Promyelocytic Leukemia (APL) is a type of acute myeloid leukemia (AML) that is characterized by the presence of abnormal promyelocytes in the bone marrow and blood. It is a rare form of leukemia that is caused by a chromosomal translocation ...

Acute pure sensory neuropathy is a rare neurological disorder that affects the sensory nerves. It is characterized by sudden onset of severe pain, numbness, and tingling in the hands and feet. It can also cause loss of sensation in the affected ar...

Acute radiation syndrome (ARS), also known as radiation sickness or radiation poisoning, is a collection of health effects that occur within 24 hours of exposure to high levels of ionizing radiation. Symptoms of ARS can include nausea, vomiting, d...

Acute Respiratory Distress Syndrome (ARDS) is a life-threatening condition that occurs when fluid builds up in the air sacs of the lungs, making it difficult for oxygen to get into the bloodstream. Symptoms of ARDS include difficulty breathing, ra...

Acute reversible leukoencephalopathy with increased urinary alpha-ketoglutarate (ARLKG) is a rare neurological disorder characterized by the sudden onset of neurological symptoms, including confusion, disorientation, memory loss, and seizures. It ...

Acute sensorineural hearing loss by acute acoustic trauma or sudden deafness or surgery induced acoustic trauma is a type of hearing loss that occurs suddenly and is caused by a single, loud sound or a sudden increase in sound pressure. It can be ...

Acute sensory ataxic neuropathy is a rare neurological disorder that affects the peripheral nervous system. It is characterized by sudden onset of sensory disturbances, ataxia (lack of coordination), and weakness in the legs. Symptoms may include ...

Acute transverse myelitis is an inflammatory disorder of the spinal cord that can cause pain, muscle weakness, and sensory disturbances in the arms and legs. It is caused by an infection or an autoimmune reaction, and can lead to paralysis. Treatm...

Acute transverse myelitis with anti-MOG antibodies is a rare neurological disorder that is characterized by inflammation of the spinal cord. It is caused by the body's immune system attacking the myelin sheath, which is the protective covering of ...

Acute tricyclic antidepressant poisoning is a medical emergency caused by an overdose of tricyclic antidepressants (TCAs). TCAs are a type of antidepressant medication that work by increasing the levels of certain chemicals in the brain. Symptoms ...

Acute undifferentiated leukemia is a type of leukemia in which the cancer cells in the bone marrow have not yet developed into a specific type of white blood cell. It is a rare form of leukemia that is difficult to treat and is usually seen in old...