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First Aid/
First Aid for the USMLE Step 2 CK (10th Ed.)/
Disorders of the Small 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
Cryptosporidium
- Characteristics
- Protozoa
- Ingestion of Oocysts in Food or Water
- Acid Fast Cysts
- Signs and Symptoms
- Outbreaks of Diarrhea from Contaminated Water Supply
- Mild Disease in Non-immunocompromised
- Severe Diarrhea in AIDS
- Treatment
- Nitazoxanide for Immunocompetent
2 mins
Campylobacter jejuni
- Characteristics
- Gram-Negative
- Bacillus
- Flagella
- Curved
- Corkscrew Appearance
- Oxidase-Positive
- Grows Well at 42 Degrees
- Undercooked Meat
- Unpasteurized Milk
- Animals with Diarrhea
- Signs and Symptoms
- Bloody Diarrhea
- Guillain-Barre syndrome
- Reactive Arthritis
3 mins
Celiac Disease Characteristics
- Epidemiology
- European Descent
- HLA-DQ2
- HLA-DQ8
- Pathophysiology
- Autoimmune-mediated Intolerance of Gliadin
- Symptoms
- Dermatitis Herpetiformis
- Weight Loss
- Failure to Thrive
- Decreased Bone Density
- Steatorrhea
- Anemia
2 mins
Celiac Disease Diagnosis and Treatment
- Diagnosis
- Blunting of Intestinal Villi
- Lymphocytes in Lamina Propria
- Anti-gliadin Antibodies (IgA)
- Anti-endomysial Antibodies (IgA)
- Anti-tissue Transglutaminase Antibodies (IgA)
- Treatment
- Gluten-Free Diet
- Corticosteroids
- Dapsone
- Complications
- Intestinal Lymphoma
2 mins
Foregut Structures, Blood Supply and Innervation
- Structures
- Esophagus
- Lower Respiratory Tract
- Stomach
- Proximal Duodenum
- Liver
- Gallbladder
- Pancreas
- Spleen
- Vascular Supply
- Celiac Artery
- Innervation
- Vagus Nerve
2 mins
Midgut Structures, Blood Supply and Innervation
- Structures
- Distal Duodenum
- Jejunum
- Ileum
- Appendix
- Ascending Colon
- Proximal 2/3 of Transverse Colon
- Vascular Supply
- Superior Mesenteric Artery
- Innervation
- Vagus Nerve
- Lesser Splanchnic Nerve
2 mins
Lactose Intolerance
- Pathophysiology
- Lactase Deficiency
- Decreased Lactose Absorption
- Increased Osmotic Load
- Presentation
- Abdominal Pain
- Flatulence
- Diarrhea
- Diagnosis
- Positive Hydrogen Breath Test
- Decreased Stool pH
- Management
- Avoid Dairy
- Lactase Supplementation
2 mins
Carcinoid Syndrome
- Pathophysiology
- Neuroendocrine Cells
- Serotonin
- Appendix
- Diagnosis
- Chromogranin A
- Neuron Specific Enolase
- Dense Core Bodies on EM
- Signs and Symptoms
- Symptoms When Metastasize to Liver
- Flushing
- Wheezing
- Right Heart Murmur
- Diarrhea
4 mins
Octreotide
- Indications
- Acute Variceal Bleeds
- Pituitary Tumors
- GH Secreting Tumors
- Carcinoid Tumors
- VIPoma
- Mechanism
- Somatostatin Analog
2 mins
Irritable Bowel Syndrome (IBS) Assessment
- Abdominal Pain
- Relieved by Defecation
- Alternating Diarrhea and Constipation
- Fatigue
- Excessive Flatulence
- Sensation of Incomplete Evacuation
- Considerations
- Stressors
- Food Intolerances
- More Common in Women
- Rule Out Other Disorders
2 mins
Irritable Bowel Syndrome (IBS) Interventions
- Interventions
- Identify Triggers
- Increase Fiber Intake
- Probiotics
- Anticholinergics
- Tricyclic Antidepressants (TCAs)
- Loperamide
- Linaclotide
- Medications for Women
- Tegaserod (Zelnorm)
- Lubiprostone (Amitiza)
- Alosetron (Lotronex)
2 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
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
Mesenteric Ischemia
- Signs and Symptoms
- Severe Abdominal Pain
- Bloody Diarrhea
- Metabolic Acidosis
- Diagnosis
- Increased WBC
- Increased Lactate (Lactic Acid)
- X-ray
- Air Within Bowel Wall
- CT Angiography
- Bowel Wall Edema
- Treatment
- Antibiotics
- Emergent Surgical Intervention
2 mins
Appendicitis
- Mechanism and Characteristics
- Fecalith leading to obstruction and infection
- Most commonly affects teenagers
- Presentation
- Initial peri-umbilical visceral pain
- Subsequent somatic right lower quadrant pain
- Diagnosis
- Rebound tenderness
- Positive psoas sign
- Pain at McBurney's point
- Leukocytosis
- Fever
- Treatment
- Appendectomy
1 min
Acute Appendicitis Treatment
- Diagnosis
- CT Scan
- Treatment
- Immediate Appendectomy
- NPO
- IV Fluids
- Antibiotics
- Perforation
- Tertiary Intention
- Antibiotics Until Afebrile
2 mins
Metoclopramide
- Indications
- Antiemetic
- Promotility Agent
- Mechanism
- Increased Resting Tone
- Antagonist at D2 Receptor
- Side Effects
- Parkinsonian Symptoms
- Galactorrhea
- Contraindication
- Small Bowel Obstruction
- Parkinson's Disease
2 mins
Ondansetron
- Indications
- Postoperative Vomiting
- Chemotherapy-induced Nausea and Vomiting
- Mechanism
- 5-HT3 Serotonergic Antagonist
- Centrally-acting Antiemetic
- Side Effects
- Headache
- Constipation
- QT Prolongation
1 min
Promethazine (Phenergan)
- Mechanism
- Histamine H1 Receptor Antagonist
- Weak Dopamine Antagonist
- Indications
- Nausea and Vomiting
- Motion Sickness
- Side Effects
- Respiratory Depression
- Sedation
- Anticholinergic Effects
- Extrapyramidal Symptoms
- Considerations
- Use Large Bore IV
- Monitor for Tissue Necrosis
2 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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