Category Archives: Pulmonary

Hypoxia: Critical but Often Poorly Understood Concepts

Hypoxemic Hypoxia Arterial hypoxemia almost always points to either a reduction of the inspired oxygen tension or to a lung problem. When troubleshooting a hypoxemic patient, it sometimes helps to investigate the problem by breaking it down in an organized and stepwise fashion: Hardware and access issues: these are more or less obvious plumbing problems which can generally be… Read More »

D-dimer: Key Points

It can be challenging to make a diagnosis of acute pulmonary embolism (PE). Research has consistently shown that the clinical manifestations of PE are common in patients without PE. Additional diagnostic testing is warranted if PE is a consideration. In recent years, the D–dimer test has played an important role in the evaluation of suspected PE. Although the… Read More »