Which of the following is a contraindication for using Thrombolytics?

The correct choice regarding contraindications for using thrombolytics is based on the consideration of blood pressure. Specifically, a systolic blood pressure greater than 185 mmHg or diastolic blood pressure greater than 110 mmHg increases the risk of bleeding when thrombolytic therapy is administered. Thrombolytics are powerful drugs that dissolve blood clots, and the presence of uncontrolled hypertension can significantly elevate the likelihood of hemorrhagic complications, particularly intracranial bleeding.

Both the history of myocardial infarction and age above 70 are not absolute contraindications for the use of thrombolytics but require careful consideration and risk assessment due to the potential for complications. Diabetes, while a risk factor for cardiovascular diseases, does not outright contraindicate the use of thrombolytics.

In summary, the notable risk linked to high blood pressure directly correlates with the safety profile of thrombolytic agents, making it a critical factor in determining their appropriate use.