Drug-Related Pathology:





Drug-Related Pathology:


Drug-Related Pathology:

1. Lung Damage:

  • Risk factors:
  • Age > 60
  • Chronic lung disease (interstitial pneumonia)
  • Decreased respiratory function
  • History of lung resection
  • Oxygen use
  • Radiation exposure
  • Kidney damage
  • Smoking
  • Drugs causing cardiogenic pulmonary edema:
  • Diltiazem
  • Propanolol
  • Albumin
  • Drugs causing non-cardiogenic pulmonary edema:
  • Aspirin
  • Methotrexate
  • Methotrexate-induced lung damage:
  • Risk factors: Diabetes, low albumin, older age, pulmonary lupus
  • Mechanism: Allergy

2. Pulmonary Embolism:

  • Risk factors:
  • Estrogen-containing medications (contraceptives)
  • Antipsychotics

3. Weakness due to increased CO2:

  • Drugs causing weakness:
  • Aminoglycosides (amikacin)
  • Penicillin A
  • Procainamide

4. Cough due to ACE inhibitors:

  • Characteristics:
  • More common in women > men
  • Latency period up to 15 months

5. Pre-jaundice:

  • Symptoms:
  • Mild fever WITHOUT cold symptoms
  • Flu-like
  • Appears after 1 week

6. Jaundice:

  • Symptoms:
  • Increased jaundice, dark urine
  • Fever subsides, fever disappears
  • Appears after 2-6 weeks

7. Transmission route of hepatitis viruses:

  • HAV: Oral-fecal route
  • HBV, HCV, HDV: Blood, contact with mucous membranes, sexual intercourse, mother to child
  • HEV: Fecal-oral route

8. Liver failure:

  • Classification:
  • Fulminant liver failure: <7 days
  • Acute liver failure: 8-28 days
  • Subacute liver failure: 4 weeks – 28 weeks

9. Hepatitis Tests:

  • AST/ALT:
  • Acute hepatitis: <1
  • Cirrhosis: >1
  • Alcoholic hepatitis: >2
  • Hepatocellular failure syndrome:
  • Sleep, digestive, coagulation disorders
  • Jaundice, yellow eyes
  • Spider nevi
  • Erythema, palmar erythema
  • Ankle edema
  • Ascites
  • Decreased albumin, cholesterol
  • Increased globulin, bilirubin
  • Portal hypertension syndrome:
  • Ascites
  • Splenomegaly
  • Portal-systemic shunt
  • Hemorrhoids
  • Gastrointestinal bleeding
  • Hypersplenism

10. Iron overload disease, copper overload disease:

  • Iron: Skin pigmentation
  • Copper: Wilson’s disease

11. Diagnosis of cirrhosis:

  • Gold standard: Liver biopsy

12. Classification of hepatitis:

  • By clinical and paraclinical symptoms: Hepatocellular failure, portal pressure
  • By stage: Gastrointestinal bleeding, jaundice, ascites, hepatic encephalopathy (compensated – decompensated)

13. Urinalysis:

  • Positive, false negative:
  • False (+): Myoglobin in urine
  • False (-): Urine containing ascorbic acid, nitrites, high protein, pH<5
  • Sample collection: First urine of the morning, midstream

14. Proteinuria:

  • No proteinuria: Minimal change glomerulonephritis

15. Dysmorphic red blood cells:

  • Cause: Renal tuberculosis

16. Red urine:

  • Cause: Bilirubin, porphyrins, myoglobin, hemoglobin

17. Important test in renal edema:

  • Proteinuria

18. Classification of hypertension:

  • Conditions: >=18 years old, primary chronic hypertension, not using blood pressure medication, no acute illness

19. Calcium channel blockers (Blood pressure):

  • Use in elderly patients: Thiazide diuretics are also used
  • Side effects: Flushing, palpitations, ankle edema, nocturia

20. Beta blockers:

  • Cautions: Sudden discontinuation, bradycardia, asymptomatic hypoglycemia

21. Effective volume depletion:

  • Cause: Heart failure, infection, ascites, acute pancreatitis, loss in the third space

22. True volume depletion:

  • Cause: Diarrhoea, chronic diarrhea, excessive diuretic use, poor diet

23. Prevention of drug-induced nephrotoxicity from contrast media:

  • Use the lowest dose possible, no additional imaging within 24-48 hours
  • Do not use NSAIDs or diuretics for at least 24 hours
  • Monitor kidney function for 24-48 hours

24. Acute tubular necrosis:

  • Drugs causing necrosis: Aminoglycosides, amphotericin B

25. Drugs causing hemolysis:

  • Drugs causing hemolysis: Colchicine, ciprofloxacin, paracetamol

26. Chronic interstitial nephritis:

  • Risk factors: Using acetaminophen, aspirin >1g >2 years

27. Risk factors for acute kidney injury from contrast media:

  • >60 years old
  • Diabetes
  • Heart failure
  • Infection
  • Decreased circulatory volume
  • Underlying kidney disease >60ml/min

28. Prevention of drug-induced kidney injury:

  • Measure drug levels
  • Use alternative drugs if possible
  • Adjust risk factors if possible
  • Adequate fluid replacement before and during treatment
  • Assess kidney function before treatment (MDRD)
  • Monitor and adjust drug dose (Cockroft-Gault)
  • Avoid combining nephrotoxic drugs

29. Drugs causing more severe hypertension:

  • NSAIDs
  • Erythropoietin
  • Cyclosporine
  • Ergotamine
  • Estrogens
  • Corticosteroids
  • Alcohol
  • Cocaine
  • Anticholinergics

30. Risk factors for increased peptic ulcer disease in Hp-infected individuals:

  • Infection with CagA & Vac A bacteria
  • High salt diet
  • Canned food consumption
  • NOT a risk factor: Alcohol

31. Acute myocardial infarction:

  • Classification:
  • ST-segment elevation MI
  • Non-ST-segment elevation MI
  • Unstable angina

32. Causes of coronary artery disease:

  • Atherosclerosis
  • Takayasu’s disease, Kawasaki’s disease
  • Hyperthyroidism
  • Thrombosis, embolism

33. Risk factors for coronary artery disease:

  • Increased LDL
  • Decreased HDL
  • HbA1c
  • Systolic blood pressure
  • Smoking

34. Classification of MI:

  • 5 types:
  • Type 1: Occurs spontaneously (primary)
  • Type 2: Secondary MI due to myocardial oxygen imbalance
  • Type 3: Sudden cardiac death MI
  • Type 4a: MI related to intervention, procedures
  • Type 4b: MI related to stent intervention
  • Type 5: MI related to coronary artery bypass surgery

35. Optimal aspirin dose for coronary artery disease:

  • 75-150mg

36. Most sensitive test for coronary artery disease:

  • Exercise electrocardiogram

37. Drug groups that improve prognosis for patients with chronic CAD:

  • Statins
  • Aspirin
  • ACEi, ARB

38. Drug groups that improve CAD symptoms:

  • Beta blockers
  • Calcium channel blockers
  • Nitrates

39. Mechanism of diarrhea:

  • Osmotic diarrhea
  • Secretory diarrhea
  • Inflammatory diarrhea (exudative diarrhea)
  • Diarrhea due to intestinal motility disorders (diabetes, hyperthyroidism, adrenal insufficiency) -> Chronic diarrhea

40. Causes of acute diarrhea:

  • Infection
  • Chemical poisoning
  • Diet, medication

41. Dysentery:

  • Symptoms: Bloody and mucous diarrhea
  • Classification:
  • Amoebic dysentery – kst: No fever
  • Bacillary dysentery – vk(shigella): Fever

42. Pathogenesis of constipation:

  • Slow transit in the colon
  • Defecation disorder
  • Misinterpretation of bowel habits

43. Causes of constipation:

  • Tumor, inflammation, irritable bowel syndrome
  • Pregnancy
  • Hypothyroidism
  • Diabetes
  • Hypokalemia
  • Lead poisoning

44. Helicobacter pylori (Hp):

  • Characteristics:
  • Gram (-) spiral bacterium
  • Has flagella
  • Lies under the mucous layer of the mucosa
  • Secretes urease enzyme that hydrolyzes urea into NH3 & CO2, neutralizes acid
  • Classification:
  • Toxic – moderately toxic – non-toxic
  • Cag (+): Toxic
  • Cag (-): Non-toxic
  • pH >7 converts from spiral bacterium -> coccus (inactive form)

Note: This information is for reference purposes only and should not be considered a substitute for advice from a healthcare professional. Please contact your doctor for proper advice and treatment.



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