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Most common causes
Most common causes of..... USMLE review
| Question | Answer |
|---|---|
| Addison's | Autoimmune (infection 2nd) |
| Dissecting aneurysm | Hypertension |
| Aortic aneurysm (abdominal and descending) | Atherosclerosis |
| Ascending aortic aneurysm | Tertiary syphilis |
| Bacterial meningitis (adults) | Neisseria meningitidis |
| Bacterial meningitis (elderly) | Streptococcus pneumoniae |
| Bacterial meningitis (kids) | Haemophilus influenzae type B |
| Bacterial menigitis (newborns) | E. coli |
| Cancer associated with AIDS | Karposi's sarcoma |
| Congenital adrenal hyperplasia | 21-hydroxylase deficiency |
| Cretinism | Iodine deficit/hypothyroidism |
| Cushing's syndrome | Corticosteroid therapy (excess ACTH secretion 2nd) |
| Death in CML | Blast crisis |
| Death in SLE | Lupus nephropathy |
| Dementia | Alzheimer's (multi-infarct 2nd) |
| DIC | Gram-negative sepsis, obstetric complications, cancer, burn trauma |
| Ejection click | Aortic/pulmonic stenosis |
| Food poisoning | S. aureus |
| Glomerulonephritis (adults) | IgA nephropathy (Berger's disease) |
| Epidural hematoma | Middle Meningeal Artery rupture (bleeding is fast) |
| Subdural hematoma | Rupture of bridging veins (trauma; slow bleeding) |
| Hemochromatosis | Multiple blood transfusions |
| Hepatic cirrhosis | EtOH |
| Hepatocellular carcinoma | Cirrhotic liver (often associated with Hep B and C) |
| Holosystolic murmur | VSD, tricuspid regurgitation, mitral regurgitation |
| Secondary hypertension | Renal disease |
| Hypoparathyroidism | Thyroidectomy (Iatrogenic) |
| Hypopituitarism | Adenoma |
| Infection in blood transfusion | Hep C |
| Infection in burn victims | Pseudomonas |
| Adult leukemia | AML |
| "Machine-like" murmur | PDA |
| Mental retardation | Down syndrome (Fragile X 2nd) |
| MI | Atherosclerosis |
| Mitral valve stenosis | Rheumatic heart disease |
| Myocarditis | Coxsackie B |
| Nephrotic syndrome (adult) | Membranous glomerulonephritis |
| Nephrotic syndrome (kids) | Minimal change disease |
| Opening snap | Mitral stenosis |
| Osteomyelitis | S. aureus |
| Osteomyelitis in pt with sickle cell disease | Salmonella |
| Osteomyelitis with IVDA | Pseudomonas |
| Actue Pancreatitis | EtOH and gallstones |
| Chronic Pancreatitis | EtOH (adults), CF (kids) |
| Peau d'orange | Breast carcinoma |
| PID | Neisseria gonorrhea (monoarticular arthritis) |
| Hospital acquired pneumonia | Klebsiella |
| Pneumonia in burn victim or CF pt | Pseudomonas aeruginosa |
| Preventable blindness | Chlamydia |
| Primary amenorrhea | Turner's syndrome (XO) |
| Primary hyperaldosteronism | Adenoma of adrenal cortex |
| Primary hyperparathyroidism | Adenoma |
| Pulmonary hypertension | COPD |
| Right heart failure due to a pulmonary cause | Cor pulmonale |
| Right-sided heart failure | Left-sided heart failure |
| Sheehan's syndrome | Postpartum pituitary infarct secondary to hemorrhage |
| SIADH | Small cell carcinoma of the lung |
| UTI | E. coli |
| UTI (young women) | E. coli and Staphylococcus saprophyticus |