An 18 yr old male presents with massive hematemesis, he has history of fever for the past 14 days for which he was managed with drugs, moderate spleenomegaly is present, diagnosis is –
**Core Concept**
The patient's presentation with massive hematemesis, fever for 14 days, and moderate splenomegaly is suggestive of a condition involving the gastrointestinal tract and the spleen. This condition is likely related to an infection or an inflammatory process.
**Why the Correct Answer is Right**
The patient's symptoms are consistent with a diagnosis of Typhoid fever, caused by the bacterium *Salmonella Typhi*. The infection can lead to bleeding in the upper gastrointestinal tract, resulting in hematemesis. The presence of splenomegaly is a common finding in Typhoid fever due to the bacterium's ability to infect the reticuloendothelial system, including the spleen. The patient's history of fever for 14 days is also consistent with the incubation period of Typhoid fever.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not take into account the patient's history of fever and splenomegaly, which are key features of Typhoid fever.
**Option B:** This option is incorrect because it does not consider the gastrointestinal symptoms, such as hematemesis, which are typical of Typhoid fever.
**Option C:** This option is incorrect because it does not account for the patient's age and sex, as well as the specific symptoms and signs presented.
**Clinical Pearl / High-Yield Fact**
Typhoid fever is a notifiable disease in many countries and requires prompt antibiotic treatment to prevent complications and transmission. The use of antibiotics, such as ceftriaxone or ciprofloxacin, is recommended for the treatment of Typhoid fever.
**Correct Answer:** C. **Typhoid fever**