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.


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.