Bifascicular Block

Bifascicular block screenshot

Bifascicular block is a conduction abnormality in the heart where two of the three main fascicles of the His/Purkinje system are blocked.

Trifascicular block is a problem with the electrical conduction of the heart. It is diagnosed on an ECG/EKG and has three features: prolongation of the PR interval (first degree AV block), right bundle branch block, either left anterior fascicular block or left posterior fascicular block.

Read more about Bifascicular Block here.

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Acute Hypercalcaemia

Hypercalcaemia is a high calcium (Ca2+) level in the blood serum. Most cases are due to primary hyperparathyroidism or cancer. Other causes include sarcoidosis, tuberculosis, Paget disease, multiple endocrine neoplasia (MEN), vitamin D toxicity, familial hypocalciuric hypercalcaemia, and certain medications such as lithium and hydrochlorothiazide. Read more about the symptoms and management of Acute Hypercalcaemia.