Alkaline Phosphatase Elevation Explained
Alkaline phosphatase (ALP) is an enzyme found mainly in the liver and bone. Elevated levels typically indicate issues with these tissues.
Conditions Causing Raised Alkaline Phosphatase
- Hyperparathyroidism: This condition involves overactive parathyroid glands, leading to increased bone turnover and osteoblastic activity, which raises ALP levels.
- Obstructive Jaundice: Bile duct obstruction impairs bile flow, causing liver damage and increased production of liver-derived ALP.
- Osteomalacia: This bone disorder involves poor mineralization, stimulating osteoblasts to produce more ALP in an attempt to repair the bone.
Multiple Myeloma as an Exception
Multiple myeloma is a cancer of plasma cells that primarily affects bone marrow. Unlike conditions that stimulate bone formation, multiple myeloma is characterized by bone resorption (breakdown) driven by osteoclasts. This process typically results in normal or even decreased serum ALP levels. While fractures or secondary bone-forming responses can occur, the primary pathology of multiple myeloma does not inherently lead to increased ALP.
Therefore, multiple myeloma is the exception among the given choices for causes of raised alkaline phosphatase.
Important Questions from General Clinical Conditions
- In which of the following SA node dysfunction conditions, permanent pacing may NOT be required?
1. Beta blocker drugs
2. Narcotic drugs
3. Iatrogenic-Post RT/Surgery
4. Hypothyroidism
5. Sick sinus syndrome
6. Raised Intracranial tension
Select the correct answer using the code given below. - Consider the following statements regarding Weight Loss:
1. 4.5 kg over 6-12 months
2. 10 kg over 6-12 months
3. More than 5% over 6-12 months
4. More than 10% over 6-12 months
Which of the above constitute significant or clinically important weight loss? - The ‘Y' descent in JVP waveform represents:
- While distinguishing a venous pulsation from the arterial pulsation in neck, which of the following is NOT correct?
- Regardless of the infectious agent, the most characteristic symptom of infectious esophagitis is:
