RE-LY trial: In patients with AF, dabigatran given at a dose of 110 mg was associated with stroke rates similar to warfarin, but with less major bleeding.
Tripling the dose was found to be useful in those with heterozygous mutation producing clopidogrel resistance, while it was not useful in homozygous cases.
Ticagrelor is an antiplatelet agent belonging to a new class known as cyclopentyl triazolo-pyrimidines (CPTP) acting as a reversible allosteric antagonist.
High altitude pulmonary edema is characterized by pulmonary vasoconstriction in response to reduced oxygen concentration in inhaled air at high altitude.
Cor pulmonale is heart disease secondary to lung disease which causes pulmonary hypertension. It is associated with RVH, leading to right heart failure.
Sitaxentan, ambrisentan and atrasentan are selective endothelin A receptor antagonists. Bosentan and Tezosentan are non selective endothelin inhibitors.