The Ace of Swords represents a situation where the subject has to make a difficult decision. It could be a time when you are faced with a major challenge or a complicated problem, such as the one you are going through with your medical test results. The fact that this card is facing you means that you are aware of the situation and its implications, and that you are approaching the matter with the necessary responsibility. This is good because it shows that you are ready to face the challenge with courage and determination.
The reversed Chariot indicates that you need to be careful how you handle your emotions and health concerns. It may be a time of uncertainty and worry, but you should try to stay calm and focus on what you can do now to deal with the situation. Despite the uncertainty, you should remember that you have all the strength within you to meet the challenge. Concentrate on the action and don't let yourself get discouraged.
In conclusion, we can say that your question regarding health can't have a certain answer based on these two cards, but there are some positive indications in the reading. The first card shows that you are aware of the situation and are courageously facing any difficulties. The second card indicates that you must avoid letting anxiety get you down, instead focusing on the positive actions you can take to meet the challenge. So, the answer to your question is: No, there's no need to worry too much based on these two cards.