Hyperemesis gravidarum is a?

NHM UP Staff Nurse - 2016

Obstetrics & Gynaecology

Easy

Appeared in: NHM UP Staff Nurse - 2016

Explanation

Hyperemesis gravidarum is defined as a severe, persistent form of nausea and vomiting during pregnancy.
It is distinguished from common morning sickness by its severity, leading to significant weight loss (more than 5% of body weight), dehydration, ketosis, and electrolyte imbalances.
The condition is a serious complication of pregnancy that often requires hospitalization for intravenous (IV) fluid replacement and nutritional support to protect the health of both mother and fetus.

Option A: Burning micturition (dysuria) is a primary symptom of a urinary tract infection (UTI), not hyperemesis gravidarum.
Option B: While some gastrointestinal upset can occur, severe diarrhoea is not the defining symptom of hyperemesis gravidarum. The hallmark of the condition is severe vomiting.
Option C: Constipation is a common complaint in pregnancy due to hormonal effects (progesterone) slowing GI motility, but it is the opposite of the main symptom of hyperemesis gravidarum.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition and characteristics of Hyperemesis Gravidarum as background academic context rather than a clinical decision trigger.
Nurses play a crucial role in managing patients with hyperemesis gravidarum by monitoring vital signs, intake and output, daily weight, and urine for ketones. Administering IV fluids and antiemetics as prescribed is a key intervention.
A critical patient safety concern is the risk of Wernicke's encephalopathy, a serious neurological condition caused by thiamine (Vitamin B1) deficiency. It is standard practice to administer thiamine before starting any glucose-containing IV fluids to prevent this complication.
What if? If a patient with hyperemesis gravidarum also develops jaundice and right upper quadrant pain, the nurse should consider other serious conditions like acute fatty liver of pregnancy or HELLP syndrome and escalate care for further diagnostic workup.

How to Approach the Question

First, identify the key medical term in the question stem: 'Hyperemesis gravidarum'.
Recognize that this is a definition-based recall question asking for the meaning of the term.
Break down the term into its roots: 'Hyper-' means excessive, '-emesis' means vomiting, and 'gravidarum' refers to pregnancy.
Combine the roots to understand the literal meaning: 'excessive vomiting of pregnancy'.
Scan the options to find the one that best matches this definition. 'Severe type of vomiting in pregnancy' is a direct and accurate description.
Rule out the other options as they describe unrelated conditions: burning micturition (UTI), diarrhoea, and constipation.

Concept Tested & Keywords

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E6 Midwifery Obstetrics and Gynecology Nursing Sandeep Kaur p. 3-8

E6 Medicine Davidson Principles Practice 24e p. 1297-1299