Jan 12, 2026
Most ViewedLeft PCA stroke
A left posterior cerebral artery (PCA) stroke is an ischemic event in the vascular territory supplying the left occipital lobe, medial temporal lobe and parts of the thalamus and midbrain that most co...
Atrial Fibrillation
A heart condition characterized by an irregular heartbeat
Fact-Checks
6 resultsJan 16, 2026
Most ViewedWhich patient populations should avoid omega‑3 supplements or have more intensive laboratory surveillance?
Omega‑3 supplements are beneficial in specific, clinically guided situations but carry risks for identifiable patient groups: people on anticoagulants or with bleeding disorders, patients at risk for ...
Jan 23, 2026
What are the quantified bleeding risks of vacuum erection devices in patients on warfarin or DOACs?
(VEDs) pose a plausible increased bleeding risk for patients on systemic anticoagulation, but high-quality, device-specific quantitative data are scarce; the literature is limited to small series and ...
Jan 16, 2026
What are the practical strategies to minimize bleeding risk while maximizing stroke prevention on warfarin?
Warfarin remains an effective stroke-prevention tool but requires careful balancing: maintaining INR in the therapeutic window (usually 2.0–3.0) reduces stroke risk while supra-therapeutic INRs drive ...
Jan 16, 2026
Warfarin effectiveness
Warfarin remains a highly effective anticoagulant for preventing ischemic stroke in atrial fibrillation when therapeutic anticoagulation is achieved—randomized trials show ~65% reduction in ischemic s...
Jan 6, 2026
Can tachycardia be a symptom of an underlying condition, such as hyperthyroidism, in adults?
Hyperthyroidism can produce tachycardia, but the relationship is not uniform: classic teaching and many reviews list sinus tachycardia and palpitations as common cardiovascular manifestations of exces...