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Acute Appendicitis

Signs & Symptoms

 Onset of abdominal pain
Ref: Uptodate [ AcAcute appendicitis in adults: Clinical manifestations and diagnosis] Harrison [ 2299]
Anorexia #Alvarado_scale_criteria
Note: The sequence of presentation in 95% of patients with acute appendicitis usually starts with anorexia, followed by abdominal pain and then vomiting
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis] Harrison [ 2299] UMLS [ C0003615] Epocrates [ https://online.epocrates.com/diseases/29031/Acute-appendicitis/Diagnostic-Approach]
Nausea #Alvarado_scale_criteria
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis] Harrison [ 2299] Cecil [ 892] UMLS [ C0003615] Epocrates [ https://online.epocrates.com/diseases/29031/Acute-appendicitis/Diagnostic-Approach]
Mild vomiting #Alvarado_scale_criteria
Note: The sequence of presentation in 95% of patients with acute appendicitis usually starts with anorexia, followed by abdominal pain and then vomiting
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis] Harrison [ 2299] Cecil [ 892] UMLS [ C0003615]

Physical Examination

 Abdominal tenderness
Ref: Harrison [ 2299]
Right lower quadrant tenderness #Alvarado_scale_criteria
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis] Harrison [ 2299] Cecil [ 892] Epocrates [ https://online.epocrates.com/diseases/29031/Acute-appendicitis/Diagnostic-Approach]
Tenderness in the right iliac fossa #Alvarado_scale_criteria
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis]

Lab / Serology

 Elevated bands [immature neutrophils] #Alvarado_scale_criteria
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis] Cecil [ 892]
Elevated neutrophils #Alvarado_scale_criteria
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis] Cecil [ 892]
Mild leukocytosis #Alvarado_scale_criteria
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis] Cecil [ 892]

Imagin Study

 Fluid collection in the right lower quadrant #Perforated_appendix
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis]
In plain radiograph, Right lower quadrant soft tissue density
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis]
In plain radiograph, Right lower quadrant appendicolith
Ref: Uptodate [ Acute appendicitis in adults: Clinical manifestations and diagnosis]

Complication

Risk Factors

 Male
Ref: Unknown [ 0]

Cause

Other