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A premature ventricular contraction (PVC) is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node. PVCs may cause no symptoms or may be perceived as a "skipped beat" or felt as palpitations in the chest. PVCs do not usually pose any danger. [1]
A premature heart beat or extrasystole [1] is a heart rhythm disorder corresponding to a premature contraction of one of the chambers of the heart. Premature heart beats come in two different types: premature atrial contractions and premature ventricular contractions.
Although described as "morning sickness," pregnant women can experience this nausea any time of day or night. The exact cause of morning sickness remains unknown. Nausea and vomiting in pregnancy is typically mild and self-limited, resolving on its own by the 14th week of pregnancy. Other causes should also be ruled out when considering treatment.
She was discharged from the Baptist Children's Hospital on 20 February 2007. [ 213 ] The record for the smallest premature baby to survive was held for a considerable amount of time by Madeline Mann, who was born in 1989 at 26 weeks, weighing 280.0 g (9.875 oz) and measuring 24 cm (9.5 in) long. [ 215 ]
[15] [16] It is estimated to affect 0.3–3.6% of pregnant women and is the greatest contributor to hospitalizations under 20 weeks of gestation. Most often, nausea and vomiting symptoms during pregnancy resolve in the first trimester, however, some continue to experience symptoms.
Several conditions and risk factors can lead to fetal distress or non-reassuring fetal status, [1] including: Low amniotic fluid (oligohydramnios) If there is too little amniotic fluid around the baby in the uterus, the baby can have trouble moving around in the uterus and its growth and temperature can be impacted.
Pelvic congestion syndrome, also known as pelvic vein incompetence, is a long-term condition believed to be due to enlarged veins in the lower abdomen. [1] [7] The condition may cause chronic pain, such as a constant dull ache, which can be worsened by standing or sex. [1]
Cervix with a bluish-violet discolouration. Chadwick sign is a medical clinical sign characterised by the bluish-violet discolouration of the mucous membranes of the vulva, vagina (particularly on the anterior vaginal wall), and the cervix, resulting from venous congestion due to increased blood flow as part of the maternal physiological changes in pregnancy.