Cardiology
- Heart failure guidelines: What you need to know about the 2017 focused update
Prevention, preserved ejection fraction, hypertension, iron, sleep apnea, and acute decompensation.
- Dancing sternal wires: A radiologic sign of sternal dehiscence
Loose fragments of bone and wire pose a danger of puncturing the heart, making sternal dehiscence a surgical emergency.
- Repeating blood cultures after initial bacteremia: When and how often?
Repeating blood cultures after an initial positive result is superfluous except in certain situations.
- Follow-up blood cultures are often needed after bacteremia
Without follow-up cultures, the adequacy of treatment can be difficult to assess.
- When can I stop dual antiplatelet therapy in patients with drug-eluting stents?
The decision requires balancing the risk of thrombosis against the risk of bleeding. A cardiologist can help.
- MGUS: It’s about the protein, not just the marrow
What is a cause of a high erythrocyte sedimentation rate with a normal C-reactive protein and a low anion gap?
- Hypertension guidelines: Treat patients, not numbers
When treating high blood pressure, how low should we try to go? Debate continues.
- What can I do when first-line measures are not enough for vasovagal syncope?
Second-line measures include midodrine, fludrocortisone, beta-blockers, and SSRIs, but evidence is limited.
- Do all hospital inpatients need cardiac telemetry?
Routine cardiac telemetry raises costs and does little.
- Which patients with pulmonary embolism need echocardiography?
The decision should be based on clinical presentation, burden of pulmonary embolism, and other imaging fi ndings.

