21. Willmott died of atheroma and embolus of the coronary artery in 1934, aged 76. 22. Males lack tibial spurs and their palpal bulbs have an embolus of a characteristic shape. 23. Male " Augacephalus breyeri " have a megaspine surmounting a distal proventral embolus . 24. Some arrhythmias promote blood clotting within the heart, and increase risk of embolus and stroke. 25. After a massive PE, the embolus must be resolved somehow if the patient is to survive. 26. A large pulmonary embolus affecting the pulmonary trunk is called a " saddle embolus ". 27. A large pulmonary embolus affecting the pulmonary trunk is called a " saddle embolus ". 28. An arterial embolus may travel further down the affected blood vessel where it can lodge as an embolism. 29. A pulmonary embolism is a very serious condition that can be fatal depending on the dimensions of the embolus . 30. Other causes of raised Troponin I include chronic renal failure, heart failure, subarachnoid haemorrhage and pulmonary embolus .