A farmer came in emergency room with BP 80/60 mm of Hg and history of vomiting & diarrhea. These symptoms ind… - AIIMS Rishikesh & Jodhpur NO - 2017

AIIMS Rishikesh & Jodhpur NO - 2017

Medical & Surgical Nursing

Hard

Appeared in: AIIMS Rishikesh & Jodhpur NO - 2017

Explanation

The patient's history of vomiting and diarrhea indicates significant fluid loss from the gastrointestinal tract.
This fluid loss leads to hypovolemia (decreased circulating blood volume).
A blood pressure of 80/60 mmHg is a state of severe hypotension, which is a direct consequence of hypovolemia.
The combination of the cause (fluid loss) and the effect (severe hypotension) are hallmark indicators of severe dehydration.

Option B: Anaphylactic shock is a distributive shock caused by a severe allergic reaction. The patient's history does not mention exposure to an allergen, and key signs like hives, angioedema, or respiratory distress are absent.
Option C: Mild dehydration does not cause severe hypotension. Symptoms would be limited to thirst, dry mucous membranes, and possibly a normal or slightly decreased blood pressure, but not circulatory shock.
Option D: Renal failure is a potential complication of severe dehydration (pre-renal acute kidney injury) due to inadequate blood flow to the kidneys. It is a consequence, not the primary cause of the acute presentation.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Assessment of dehydration and hypovolemic shock as background academic context rather than a clinical decision trigger.
Recognizing the signs of severe dehydration and hypovolemic shock is a critical nursing skill, as it is a life-threatening emergency requiring immediate intervention.
The priority nursing action is to restore circulating volume with intravenous fluids to prevent organ damage and cardiovascular collapse.
What if? If the patient's blood pressure was 110/70 mmHg with the same history, the diagnosis would likely be mild to moderate dehydration. The treatment might start with oral rehydration solutions (ORS) if the patient can tolerate them, with close monitoring to see if IV fluids are needed.

How to Approach the Question

First, identify the key information in the clinical scenario: the patient's symptoms (vomiting, diarrhea) and the critical vital sign (BP 80/60 mmHg).
Recognize that vomiting and diarrhea cause fluid loss.
Connect the fluid loss to the vital sign. A significant loss of fluid leads to a drop in blood pressure.
Analyze the blood pressure value. 80/60 mmHg is severely hypotensive and indicates a state of shock.
Evaluate the options. 'Severe dehydration' is the only option that directly links the cause (fluid loss from vomiting/diarrhea) to the effect (severe hypotension/shock).
Rule out the other options based on their definitions and typical presentations.

Concept Tested & Keywords

Concept Tested: Assessment of dehydration and hypovolemic shock.
Stem keywords: BP 80/60 mm of Hg, vomiting, diarrhea
Lead-in keywords: indicating
Clinical cues: BP 80/60 mm of Hg: This value represents severe hypotension, a critical sign of circulatory compromise or shock.

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