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1、ABDOMINAL PAIN Abdominal pain is a very common clinical symptom,which involves the patients subjective reaction to the stimulus.The approach to the patient with abdominal pain is one of a physician greatest challenges.Generally,there are two kinds of abdominal pain,acute abdominal pain and chronic a
2、bdominal pain.lCause:1.acute abdominal pain 1)peritonitis 2)the acute inflammation of abdominal organs 3)the swelling and obstruction of cavum 4)the torsion and rupture of abdominal organs 5)thoracic illnesses 6)belly diseases 7)whole-length diseases1)peritonitis:The perforation of stomach or duoden
3、um is the most common reasons of peritonitis.2)the acute inflammation of abdominal organs:for instant:acute gastritis acute enteritis acute pancreatitis acute cholecystitis,and so on If the patient has a history of eating some unclean or too cold foods,and accompanied with vomiting,diarrhea and acut
4、e abdominal pain,its highly suggestive of acute gastroenteritis.Acute pancreatitis:the pancreas is necrosed and partially liquefied.3)the dilation and obstruction of cavum for instant:cholelithiasis ileus 4)the torsion and rupture of abdominal organs:for instant:the torsion of intestine or ovary the
5、 rupture of liver or spleen caused by trauma.5)thoracic illness:for instant:pneumonia miocardial infarction If you meet some old people who feel epigastric pain,you should pay attention to take a Electirocardiogram(ECG).Its a good way to distinguish abdominal diseases from miocardial infarction.6)be
6、lly diseases:for instant:contusion of belly7)whole-length diseases:for instant:uraemialCause:1.acute abdominal pain 1)peritonitis 2)the acute inflammation of abdominal organs 3)the swelling and obstruction of cavum 4)the torsion and rupture of abdominal organs 5)thoracic illnesses 6)belly diseases 7
7、)whole-length diseases2.chronic abdominal pain:1)Chronic inflammation of abdominal organs for instant:chronic gastritis,chronic cholecystitis,chronic pancreatitis 2)gastric or duodenal peptic ulcer(most important)3)the torsion and obstruction of stomach or intestine for instant:chronic torsion of st
8、omach or intestine4)increased tension of envelopefor instant:liver cancer,liver abscess,hepatic gore5)toxicosis and metabolic disfunction:uremia6)encroachment and oppression of tumor Barium meal examination showing an ulcer crater with radiating mucosal folds reaching to its rim and strongly suggest
9、s that the ulcer is benign.ULCER2.chronic abdominal pain:1)Chronic inflammation of abdominal organs for instant:chronic gastritis,chronic cholecystitis,chronic pancreatitis 2)gastric or duodenal peptic ulcer(most important)3)the torsion and obstruction of stomach or intestine for instant:chronic tor
10、sion of stomach or intestine4)increased tension of envelopefor instant:liver cancer,liver abscess,hepatic gore5)toxicosis and metabolic disfunction:uremia6)encroachment and oppression of tumor The dilation of material organs(such as liver)can result in the increased tension of organs envelope,so the
11、 patients feel abdominal pain and other discomfort.2.chronic abdominal pain:1)Chronic inflammation of abdominal organs for instant:chronic gastritis,chronic cholecystitis,chronic pancreatitis 2)gastric or duodenal peptic ulcer(most important)3)the torsion and obstruction of stomach or intestine for
12、instant:chronic torsion of stomach and intestine4)increased tension of envelopefor instant:liver cancer,liver abscess,hepatic gore5)toxicosis and metabolic disfunction:uremia6)encroachment and oppression of tumor=Cause:2.chronic abdominal pain:1)Chronic inflammation of abdominal organs 2)gastric or
13、duodenal peptic ulcer(most important)3)the torsion and obstruction of stomach or intestine 4)increased tension of envelope5)toxicosis and metabolic disfunction:6)encroachment and oppression of tumor lPathogenesis:Abdominal pain may be classified as visceral pain,somatic pain,and referred pain 1.visc
14、eral pain:Visceral pain originates from internal organs.Most visceral fibers have slow conduction,and the abdominal viscera lake the dense network of somatic afferent fibers.a.dull b.no distinct location c.accompanied symptom:nausea,vomiting,sweatingsuch as:Pain derived from stomach,duodenum,liver,b
15、iliary system or pancreas most often presents with midline pain in the epigastrium.2.somatic pain:Somatic pain originates from the abdominal wall and parietal peritoneum.Somatic afferent never fibers allow more precise location of stimulation,and the density of never fibers in the parietal peritoneu
16、m is significantly greater than in abdominal viscera.This allows better identification of the location.a.Its sharp,severe and continuousb.Distinct locationc.Coughing and the change of body posture can aggravate the pain.Such as:peritonitis3.referred pain:It is a term that describes as pain localized
17、 to a site distant from the abdominal organ from which the pain originates.Referred pain originates from the internal organs.It occurs because of the common site of entry into the spinal cord of cutaneous and sensory nerves and abdominal visceral afferents.Cutaneous and visceral afferents terminate
18、on the same secondary neuron within the dorsal horn of the spinal cord,resulting in misinterpretation by the brain of the correct origin of the stimulations.So it has distinct location.Such as:right upper shoulder pain may result from cholecystitis.summary visceral pain somatic pain referred pain l
19、dull sharp,severe continuous no distinct location distinct location distinct location internal organs peritonitis cholecystitis l Clinical features:1)location:Pain site often indicates the organ responsible for the problem.A.Right upper quadrant pain is more typical of cholecystitis.B.Tenderness ove
20、r McBurney s point should be considered strong evidence of appendicitis.C.Pain caused by colon diseases most often presents in the midline lower abdomen.D.Pain arising from the small intestine is commonly localized to the surrounding region of umbilicus.2)character and intensity:A.Extremely intense
21、pain of sudden onset caused by the perforation of gastric ulcer is often described as“burning”or“cutting”.B.Biliary or renal calculus is often described as“cramy”constricting.C.Persisting,wide-ranging severe pain accompanied with high intensity of abdominal muscles is highly suggestive of acute peri
22、tonitis.D.Intestinal obstruction is often described as “gripping”.E.The pain of peptic ulcer is usually described as a dull,gnawing sensation of mild to moderate severity.Its a hungry pain and nocturnal pain.Periodic epigastric pain occuring 1/2 hour after eating is a typical symptom of gastric pept
23、ic ulcer and patients with a duodenal peptic ulcer have pain 2-3 hours after eating or before the next meal.So food tends to lessen the pain of duodenal peptic ulcer.3)time course:Sudden onset:(over seconds to minutes)rupture of liver or spleen perforation of peptic ulcerrapidly progressive:(over 1-
24、2 hours)pancreatitis,cholecystitis bowel obstruction renal or biliary colic gradual onset:(over several hours)typical peptic ulcer,chronic appendicitis 4)aggravating or alleviating factors:A.Pain worsened by movement suggests peritonitis.B.Patients with a retroperitoneal process(such as pancreatitis
25、)commonly find partial relief by leaning forward,and aggravation by lying supine.5)inducement:a.heavy and fatty food -cholecystitis b.heavy food and drinking-acute pancreatitisc.Trauma-rupture of liver or spleen.lClinical features:1)location:2)character and intensity:3)time course:4)aggravating or a
26、lleviating factors:5)inducement:l Accompanied symptoms:1.fever,chill:the sign of inflammation For instant:acute cholangitis2.jaundice:biliary system and pancreas diseases.3.the shock or hypotension:acute internal organs bleeding4.blood urine:Blood urine is highly suggestive of the calculus of urogen
27、ital system diseases.SummaryLocation:right upper quadranttenderness over McBurney s point surrounding region of umbilicus midline lower abdomenCharacter:peptic ulcer:peritonitisintestinal obstructionbiliary or renal calculusdull,gnawing,nocturnal,hungrysharp,burning,cutting gripping cramy cholecysti
28、tisappendicitissmall intestine diseases colonic diseaseslInquire points:1.onset of the abdominal pain Did the pain start suddenly?2.severity and character Can you describe the pain?Is it sharp?burning?cramy?Is the pain continuous?Has there been any change in the severity or nature of the pain since
29、it began?What makes it worse?What makes it better?3.site Where is the pain?Has the pain changed its location since it started?Do you feel the pain in any other part of your body?4.time course How long have you had the pain?5.accompanied symptoms Is the pain associated with nausea?vomiting?sweating?diarrhea?blood stools?fever?chills?SHORT SUMMARY We can sum-up inquire points in“PQRST”P:provocative-palliative factors (aggravating-alleviated factors)Q:quality R:region S:severity T:temporal characteristic