Medicine (MD/DO)
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First Aid/
First Aid for the USMLE Step 2 CK (10th Ed.)/
Disorders of the Large BowelAce Your First Aid for the USMLE Step 2 CK (10th Ed.) Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Medicine (MD/DO) Students
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First Aid for the USMLE Step 2 CK (10th Ed.) | Medicine (MD/DO) School Study Aid
Hindgut Structures, Blood Supply and Innervation
- Structures
- Distal 1/3 of Transverse Colon
- Descending Colon
- Sigmoid Colon
- Rectum
- Pectinate (Dentate) Line
- Urogenital Sinus
- Vascular Supply
- Inferior Mesenteric Artery
- Innervation
- Lumbar Splanchnic Nerves
- Pelvic Splanchnic Nerves
2 mins
Diverticulosis and Diverticulitis Assessment
- Diverticulosis
- Outpouching
- Diverticulitis
- Inflamed Diverticula
- Assessment
- Abdominal Pain
- Abdominal Distention
- Flatulence
- Fever
- Rectal Bleeding
- Alternating Constipation and Diarrhea
- Considerations
- Peritonitis
2 mins
Diverticulosis and Diverticulitis Interventions
- Interventions
- High Fiber Diet
- Reduce Intra-abdominal Pressure
- Stool Softeners
- Exercise
- Anticholinergics
- Considerations
- Antibiotics
- Bowel Resection
2 mins
Intestinal Obstruction
- Partial/Early Obstruction
- Severe Abdominal Pain
- Vomiting
- High Pitched Bowel Sounds
- Abdominal Distention
- Increased Peristalsis
- Total/Neurogenic Obstruction
- Absent Bowel Sounds
- Paralytic Ileus
1 min
Types of Intestinal Obstruction
- Mechanical
- Adhesions
- Hernia
- Volvulus
- Intussusception
- Tumor
- Non-Mechanical
- Mesenteric Artery Occlusion
- Spinal Injury
- Paralytic Ileus
2 mins
Colorectal Cancer Assessment
- 3rd Most Common Cancer
- Assessment
- Change in Bowel Habits
- Bowel Obstruction
- Rectal Bleeding
- Anemia
- Weight Loss
- Ascites
- Considerations
- Colonoscopy
- FOBT and FIT
2 mins
Colorectal Cancer Interventions
- Interventions
- Surgical Colon Resection
- Radiation
- Chemotherapy
- Considerations
- Bowel Cleansing
- Screening
- Colostomy
- Dietary Consult
- Body Image
3 mins
Lynch Syndrome (Hereditary Nonpolyposis Colorectal Cancer)
- Characteristics
- Autosomal Dominant
- Defective DNA Mismatch Repair
- 80% Risk of Colon Cancer Development
- Proximal (Right) Colon
- Type II associated with Endometrial, Ovarian and Skin Cancers
- 3-2-1 Rule
- 3 Relatives with Colon Cancer
- Occurs Across 2 Generations
- 1 Relative Diagnosed < 50 Years Old
- Treatment
- Frequent Screening
- Colectomy
3 mins
Volvulus Characteristics and Presentation
- Characteristics
- Bowel Torsion
- Bowel Infarction
- Sigmoid Colon and Cecum
- Clinical Features
- Small Bowel Obstruction
- Abdominal Pain
- Unstable Vital Signs
- Peritonitis
2 mins
Volvulus Diagnosis and Management
- Diagnosis
- Abdominal X-ray
- Coffee Bean Sign
- Kidney Bean Sign
- Abdominal CT Scan
- Whirl Sign
- Barium Enema
- Bird's Beak Sign
- Management
- Fluid Resuscitation
- Surgery
- Consider Antibiotics
3 mins
Familial Adenomatous Polyposis
- Pathophysiology
- Autosomal Dominant
- Mutation in Chromosome 5
- APC Gene Mutation
- Overexpression of Beta-catenin
- Two-Hit Hypothesis
- Clinical Findings
- Change in Bowel Habits
- Colonic Polyps
- Screening
- Colonoscopy
- Management
- Prophylactic Surgery
- Considerations
- Progresses to Colorectal Carcinoma
3 mins
Juvenile Polyposis Syndrome
- Characteristics
- Autosomal Dominant
- Children < 5 Years Old
- Clinical Findings
- Hamartomatous Polyps in Gastrointestinal Tract
- GI Distress
- Anemia
- Considerations
- Increased Risk of Colorectal Carcinoma
2 mins
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