Chapter 1: Cardiovascular System
* History: A 38-year-old male presents with chest pain on exertion, shortness of breath, and ankle swelling. Exam reveals a regular pulse, blood pressure of 160/90 mmHg, and elevated jugular venous pressure. Auscultation reveals an S3 gallop.
* Investigations: ECG shows sinus tachycardia, left ventricular hypertrophy, and ischemic changes. Chest X-ray shows cardiomegaly and pulmonary edema. Echocardiogram reveals LV enlargement, reduced ejection fraction, and mitral regurgitation.
* Diagnosis: Ischemic cardiomyopathy with congestive heart failure
Chapter 2: Respiratory System
* History: A 65-year-old female with a history of COPD presents with increased shortness of breath, productive cough, and wheezing. Exam reveals tachypnea, cyanosis, and wheezing throughout the lungs.
* Investigations: Spirometry shows severe airflow obstruction. Chest X-ray shows hyperinflation and emphysema. Arterial blood gas analysis reveals hypoxemia and hypercapnia.
* Diagnosis: Acute exacerbation of COPD
Chapter 3: Abdominal and Gastrointestinal System
* History: A 23-year-old male presents with recurrent episodes of abdominal pain, nausea, vomiting, and diarrhea. Exam reveals tenderness in the right lower quadrant.
* Investigations: Blood tests show elevated white cell count and C-reactive protein. Abdominal ultrasound reveals appendicitis.
* Diagnosis: Appendicitis
Chapter 4: Genitourinary System
* History: A 35-year-old female presents with urinary frequency, urgency, and dysuria. Exam reveals tenderness over the suprapubic area. Urine dipstick shows pyuria and bacteriuria.
* Investigations: Urine culture grows Escherichia coli.
* Diagnosis: Urinary tract infection
Chapter 5: Neurological System
* History: A 55-year-old male presents with sudden onset of right-sided weakness and numbness. Exam reveals a right-sided hemiparesis and positive Babinski sign.
* Investigations: CT scan of the head reveals a left middle cerebral artery infarct.
* Diagnosis: Ischemic stroke
Chapter 6: Endocrine System
* History: A 30-year-old female presents with thirst, polyuria, and weight loss. Exam reveals dry skin and mucus membranes.
* Investigations: Blood tests show hyperglycemia, elevated HbA1c, and a positive anti-GAD antibody.
* Diagnosis: Type 1 diabetes mellitus
Chapter 7: Musculoskeletal System
* History: A 45-year-old male presents with pain and swelling in his left knee. Exam reveals an effusion, tenderness, and reduced range of motion.
* Investigations: Knee X-ray shows osteoarthritis.
* Diagnosis: Osteoarthritis
Chapter 8: ENT and Oral Surgery
* History: A 25-year-old female presents with a painful swelling in her left ear. Exam reveals a red, tender lump in the ear canal.
* Investigations: Otoscopy confirms a furuncle.
* Diagnosis: Otitis externa