Question:easy
Most common joint involved in septic arthritis is?
Most common joint involved in septic arthritis is?
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The knee is the most commonly affected joint in septic arthritis.
Updated On: Jun 23, 2026
- Knee
- Hip
- Shoulder
- Elbow
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The Correct Option is A
Solution and Explanation
Step 1: Define the condition - septic arthritis is direct pyogenic infection of a synovial joint, most often seeded through the bloodstream from a remote focus.
Step 2: Note the typical patient, often a toxic child with fever, tachycardia, a hot swollen tender joint, and refusal to bear weight or move the limb.
Step 3: Rank the joints by frequency - the large, superficial, weight-bearing knee tops the list of joints affected.
Step 4: Hip, shoulder and elbow follow but are less common, so the single best answer is the knee. \[\boxed{\text{Knee}}\]
Step 2: Note the typical patient, often a toxic child with fever, tachycardia, a hot swollen tender joint, and refusal to bear weight or move the limb.
Step 3: Rank the joints by frequency - the large, superficial, weight-bearing knee tops the list of joints affected.
Step 4: Hip, shoulder and elbow follow but are less common, so the single best answer is the knee. \[\boxed{\text{Knee}}\]
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