Nocturia and OSA: Mechanism

5 months ago
Dr. C Humphreys

Nocturia is a common symptom associated with obstructive sleep apnea. [1] Img Cred: Am J Lifestyle Med. 2021 May-Jun; 15(3):…

ASD vs. VSD Murmur Difference

ASD (Atrial Septal Defect) Wide, Fixed split S2 (in contrast to the normal variation in splitting during the respiratory cycle).…

5 months ago

Mechanism of a Mixed Apnea

Mixed apneas are characterized by absent respiratory effort and airflow in the first section of the event and respiratory effort…

1 year ago

How Does Hypothyroidism Cause Hypoventilation?

Although rare, the differential diagnosis of hypoventilation and hypercapnia respiratory failure includes hypothyroidism. It is usually associated with severe hypothyroidism…

1 year ago

Why is Pro-BNP/ BNP lower in Obesity?

B-type natriuretic peptide (BNP) is a hormone created in response to cardiac wall stretch due to volume or pressure overload.…

2 years ago

What is Peribronchovascular Distribution on CT imaging?

A common finding described on computed tomography (CT) imaging. A disease with a peribronchovascular distribution involves the bronchi, adjacent lymphatics,…

2 years ago

Trapped Lung vs. Lung Entrapment

Though often used synonymously; Trapped Lung and Lung Entrapment technically describe separate entities along the same clinical spectrum. Trapped lung…

3 years ago

Cause of Pericardial Effusion in Pulmonary Hypertension: Pathogenesis

It is not clearly understood why patients with pulmonary hypertension (PH) develop pericardial effusions. However, the presence of a pericardial…

3 years ago

Difference between Mycophenolate Mofetil vs. Mycophenolate Sodium

The two drugs are not interchangeable, nor dose equivalents. Mycophenolate mofetil (Cellcept) is a semi-synthetic prodrug that is rapidly hydrolyzed…

3 years ago

What is an “Anephric” Creatinine Rise?

Serum Creatinine can be a deceptive surrogate during an acute kidney injury. It may lag behind acute onset renal failure…

4 years ago

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