Accepted
at 3:28 p.m. Apr, 17, 2024
by
Ahmed7
Author:
mohannadkh10
Type of change:
Other
Rationale for change
I make it similar the the attached table below
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Renal tubular acidosis | ||||
Type 1 (distal) | Type 2 (proximal) | Type 3 (mixed) | Type 4 (collecting duct) | |
---|---|---|---|---|
Primary defect | ↓ H+ secretion into urine | ↓ Bicarbonate reabsorption | Combination of distal and proximal RTA | ↓ Aldosterone (deficiency or resistance) ↓ NH4 excretion |
Urine pH | ≥ 5.5 | < 5.5 | > 5.5 | < 5.5 |
Associations | Associated with kidney stones | Associated with Fanconi | Associated with osteopetrosis, cerebral calcification, mental retardation | Associated with diabetic nephropathy |
Electrolytes [all types - metabolic acidosis with normal serum anion gap] |
Hypokalemia (low or low-normal); positive urine AG | Hypokalemia (low or low-normal); negative urine AG | Hypokalemia; positive urine AG | Hyperkalemia; positive urine AG |
Cause | Medication toxicity (amphotericin, ifosfamide, lithium, NSAIDs) Autoimmune disorders Genetic disorders |
Genetic disorder Fanconi syndrome |
Carbonic anhydrase II deficiency (autosomal recessive) | Congenital adrenal hyperplasia Obstructive uropathy Uncontrolled DM Addison's disease Drugs (ACE inhibitors, ARBs) |
Treatment | Sodium bicarbonate, sodium citrate | Potassium citrate | Sodium citrate, potassium citrate | Furosemide + fludrocortisone |
Lecture Notes
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Missed Questions
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Pathoma
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Boards and Beyond
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First Aid
Sketchy 2
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Sketchy Extra
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Picmonic
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Pixorize
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Physeo
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OME
Additional Resources
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One by one
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