abdominal pain - susquehanna regional ems inc
TRANSCRIPT
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Abdominal Pain
E . James Radin , MD
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Abdominal Pain
• Symptom of a multitude of organ problems• GI , Vascular , Cardiac , Renal , Ob – Gyn ,• Acute , sub – acute , chronic• Medication and drug induced• No easy pre – hospital tools to assess• Trauma• Can be drastically altered by LOC• Can be drastically altered by spinal injury
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Abdominal Pain
Types of Pain . . . . . .
SuperficialDermatomal
ReferredRadiated
DeepRebound
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Abdominal Pain
• Types of pain con’t . . . . . .
• Constant• Colic• Burning
• Ripping / tearing• Visceral / Somatic
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Somatic Pain
• Arising from the abdominal wall . . . . .
• Via• Parietal peritoneum• Root of the mesenteries• Respiratory diaphragm• Well localized• Sharper and brighter quality
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Visceral Pain
• Deep pain , poorly localized pathways• Triggers autonomic reflexes , hence . . .
• Diaphoresis• Nausea• Vomiting• Tachycardia• Bradycardia
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Referred Pain
• Dermatomic character , but not always exact
• Somatic sensory tracts take origin from same roots as do the visceral afferents .
• Pathway up cord via the convergent projections
• Cutaneous nature to the pain• Intense , associated with muscular rigidity and
hyperesthesia
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Etiologies
• . .• Peritonitis , chemical or bacterial
• Distension of a hollow organ . . . • Appendicitis
• Solid organ . . . . . • Pancreatitis
• Mesenteric . . . • Lymphadenitis
• Pelvic . . . • PID
Inflammatory causes . .
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Etiologies
• Mechanical Causes . . . . . .• Hollow organ . . .
• ex . Bowel obstruction / tumor• Solid organ . . .
• ex. Acute hepatomegally / sub-capsular hematoma• Mesenteric . . . .• ex. Omental torsion• Pelvic . . . . .
• ex. Ectopic Pregnancy
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Etiologies
• Vascular causes . . . . .
• Intraperitoneal bleeding• Rupture of aortic aneurysm
• Ischemic bowel
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Etiologies
• Miscellaneous causes . . . . .
• Endometriosis
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Abdominal Pain
• Nausea . . . . . .
• Nausea then pain
• Pain then nausea
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Nausea then Pain
• Vomiting can induce upper abdominal pain due to shear injury to the bowel , musculature
• Viral• Bacterial• Biliary• Toxin
• Medication reaction• PUD
• GI bleeding
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Abdominal pain then Nausea
• Bowel obstruction• Pancreatitis• Biliary
• Appendicitis• Nephrolithiasis• Pyelonephritis• Sepsis
• Perforation• Bowel ischemia
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Vomiting
• Severe peritoneal irritation• Stretching of a mesentery• Bowel obstruction• Absorbed toxins
• ex . Pain before the vomiting with appendicitis
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Vomiting
• Pain early on with vomiting , as with peritonitis biliary colic , renal colic
• Pain / vomiting interval varies with the severity and the location of a bowel obstruction
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Factors Influencing Pain
• Physical factors . . . .• Level of consciousness• Pathway integrity
• Psychological factors . . .• Prior experience with pain or event
• Degree of distraction• Initial learning / role models• Current expectations• Provider behavior
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Clinical Evaluation
• History . . . . . . .• Onset
• Character of the pain• Severity• Location• Timing
• Factors increasing the pain• Factors decreasing the pain
• Characteristic patterns of the pain
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Characteristic Patterns
• Colicky . . . .• Intermittent• Waves• Cramping
• Due to the distension of a viscus organ• Burning . . . . • Tearing / Ripping . . . . • Knife – like . . . .
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Characteristic Patterns
• Duration over six hours . . . • Awakens in middle of the night . . . • Stimulated by eating . . . . • Altered by change in position . . . • Shifting or radiation from the original site . . . • Once peritonitis occurs . . . .
• Pain is constant • Pain is diffuse
• Rebounding quality
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Characteristic Patterns
• Relation to usual bowel habits• Menstrual history• Prior abdominal surgery• Prior / concurrent trauma• Medical disorders
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Abdominal Sites
• Midepigastric . . . . .• Stomach• Duodenum• Aorta• Pancreas• Gall bladder
• Left Upper Quadrant . . . .• Spleen• Kidney• Stomach• Adrenals• colon
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Abdominal Sites
• Right Upper Quadrant . . . .
• Liver• Gall bladder• Duodenum• Kidney• Adrenal• Colon
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Abdominal Sites
• Peri – umbilical . . . .• Pancreas• Stomach• Aorta• Appendix• Mesentery
• Meckel’s diverticulum• Kidney
• Small bowel
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Abdominal Sites
• Right Lower Quadrant . . . .• Appendix• Ovary
• Colon / cecum• Meckel’s• Diverticular
• Ectopic pregnancy• Endometriosis• Psoas abscess• Kidney
• Pelvic inflammatory disease
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Abdominal Sites
• Supra – pubic . . . . .• Urinary bladder
• Uterine• Ectopic pregnancy• Endometriosis
• Pelvic inflammatory disease• Intra – uterine device• Mettleschmerts• Miscarriage
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Abdominal Sites
• Left Lower Quadrant . . . .
• Ovary• Colon / rectum• Kidney
• Ectopic pregnancy• Endometriosis
• Pelvic inflammatory disease• Diverticular
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Other Factors
• Age . . . . .
• Appendix vs Gall Bladder• Ectopic Pregnancy vs diverticulitis
• Intussusception vs Peptic Ulcer Disease
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Physical Exam
• Patient’s general appearance• Patient’s attitude / posture• Patient’s spontaneous movements• Patient’s skin character . . . .
• Pallor• Diaphoresis• Temperature
• Level of consciousness
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Physical Exam
• Develop a consistent approach . . . . . .
• Inspection• Auscultation• Percussion• Palpation
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Physical Exam
• Inspection . . . .
• Body position• Limb position• Skin character• Distension• Devices
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Physical Exam
• Auscultation . . . .
• Bowel sounds• Bruits• Borborrygmi• Succinctic splash
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Physical Exam
• Percussion . . .
• Tympany• Dull• Fluid wave• Pain• All four quadrants
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Physical Exam
• Palpation . . . .
• Begin away from the site of pain• Light , superficial touch for hyper – aesthesia• Include all sites of herniation
• Deep Palpation . . . • Muscular rigidity• Guarding / rebound• Organ size / mass• Rectal and pelvic exam
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Protocol / Management
• ABC’s• Oxygen• Monitor
• IVF / Saline lock / fluid bolus• Second IV as needed
• No narcotics with undiagnosed abdominal pain ! ! !
• IV rate as per medical command
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Protocol / Management
• Midepigastric pain can be cardiac ! ! !• Trauma related pain can cause rapid
physiologic changes in your patient ! ! !• Cover open wounds , cover exposed bowel with
saline dressing , do not push back inside ! !• Entry and exit wounds• Mechanism of injury needs to be documented• Be prepared for occult severe injury in patients
with ALOC
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Hospital Management
• Diagnostics• Laboratory• X – ray , nuclear imaging• CAT scan , with contrast unless looking only
for organ fracture• Ultrasound• Peritoneal lavage• Vascular procedures
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Hospital Management
• Laboratory . . . • CBC , PT / PTT , type and cross , sickle cell prep• SMA – 7 , liver function , amylase / lipase• Pregnancy test , serum• Urinalysis• ABG• Blood cultures , urine cultures• Cultures of catheters / drains• Cultures of draining fluids
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Hospital Management
• Procedures . . . • Large bore IV lines• Foley catheters• Colonoscopy / sigmoidoscopy• Retrograde pyelogram / cystoscopy• Diagnostic peritoneal lavage• Laproscopy• Surgical inspection , laparotomy and repair• Ventilation / oxygenation• Vasoactive drug support
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Hospital Management
• Assessment of other body sites• Correction of medical conditions causing
abdominal pain• Treatment of infection• Replacement of infected line / catheters• Orthopedic management• Rehabilitation
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Hospital Management
• Pain Control . . . • Not done very well / very difficult• Makes it difficult to have the patient tell you what is
wrong• Lengthy diagnostics• Informed consent for procedures• Interferes with airway , physical assessment• Can require very large amounts of drug• Interferes with bowel function / recovery of function
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