Oedema is swelling due to excess fluids in tissues.
In pitting oedema, pressing on the affected area leaves an indentation (that persists after removing the pressure). In non-pitting oedema, the area feels firm to touch and does not form indentations.
Pitting oedema:
The excess fluid is mainly composed of water
Commonly caused by heart failure, venous insufficiency, or nephrotic syndrome
Non-pitting oedema:
The excess fluid consists of water WITH protein and salts
Usually indicates a condition of the thyroid / lymphatic system
Different types:
Lymphoedema is due to a build-up of lymphatic fluid (e.g. due to a tumour blocking lymphatic flow / after removal of lymph nodes).
Myxoedema occurs in hypothyroidism and often affected the pretibial or periorbital area.
Angioedema is localised swelling of the skin and is usually due to allergic reactions. It typically affects the face, tongue, larynx, abdomen, arms, and legs. When the larynx is affected, it may affect breathing, which is an emergency!
Lipoedema is when fat accumulates in subcutaneous tissues - it usually affects the legs/buttocks and almost exclusively occurs in postpubertal females (not the same as cellulite!)
If patients present with oedema, it's always important to test if it's pitting or non-pitting as this helps to determine the cause and correct treatment!
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Anonymous said to @ask-drferox: Why does spontaneous edema occur when albumin drops below a certain level?
Because of osmotic pressure, and this is why you have to do a year of physics before vet school.
You know that picture in your science textbooks about water dissolving across a membrane? Kind of like this one from wikipedia.
In this situation you have a semi-permeable membrane. It lets water pass through, but not the sugar molecule, which is larger. Water (like most molecules) wants to be at the same concentration on both sides of the membrane, so it diffuses into the side with the sugar until they’re the same. This is osmosis.
The body and all its cells are essentially one massive, convoluted network of semi-permeable membranes exerting a lot of energy to maintain stability. That’s life.
The body has three main ‘containers’ of water: inside the cells, inside the blood stream, and in the extra-cellular fluid outside the cells.
Albumin is a small and very common protein in the bloodstream. When it drops, the relative concentration of water in the bloodstream is higher than the extracellular fluid, so that water moves into the extracellular fluid. And we see that as oedema.
Can you help distinguish between over-watering and leaf-absorption? I have some lower yellow leaves that have shrunk and shriveled up, which I don't THINK happens with absorption. Also, should I let absorption happen or should I remove leaves that are yellowing and shrinking?
Sure!! Shriveling and shrinking sounds exactly like absorption to me! Definitely just let it happen, the plant is taking the juice inside of those leaves and using it to fuel growth, so once it’s taken all that it can and the leaf turns crispy is when you can remove it.
Let me show you some differences between the two with some images! I will have to take images from google to show overwatering since I haven’t overwatered any of mine.
Leaf absorption and overwatering look very different to me. When absorbing the leaves will get thin, they may even get a yellow-y tinge to them but they’re definitely getting thinner. They eventually dry and get crispy and lose that yellow color and go brown-ish. Pulling them off is really easy at that point.
In these two pictures you can see the yellow color they can sometimes get. But they’re also noticeably thinner!! These are the only two in my collection that are showing that yellow color at the moment. The rest are crispy bois.
Crispy!
This Graptopetalum amethystinum first gets a wrinkly leaf, it’s usually only 1 or two at a time, and after that it starts to curl in on it’s self. They don’t get crispy, or if they do it takes a LOT longer because the leaves are so full, they usually fall off on their own before getting crispy.
Overwatering the leaves will get a very sickly yellow color to them. And they will be plump!
To me that looks very different! usually it won’t be only 1 or 2 leaves but a majority of the bottom ones. They will be a little more shriveled near where it attaches to the stem of the plant but the leaf is plump. (Image source: https://www.youtube.com/watch?v=s0fQIH84_xI)
This overwatering was caused by incorrect soil, though they hadn’t watered in weeks it was in a potting soil and compost mix which retains too much moisture and was bought from a Walmart (which isn’t know for it’s top quality plant care you feel?). Sometimes overwatering doesn’t show up right away, often it does, within a few days of watering, but not always. (Image source: https://www.reddit.com/r/succulents/comments/6c3dc1/showing_signs_of_over_watering_but_i_havent/)
There are some other signs of overwatering too!
Cracks! This is also from overwatering. The plant takes up too much water and it’s cells fill with so much water they literally push themselves apart and tear away from each other. This is called Edema or Oedema. (Image source: https://www.reddit.com/r/succulents/comments/8dwibo/are_these_cracks_from_overwatering/)
It can get pretty gnarly looking! (Image Source: https://www.reddit.com/r/succulents/comments/awonn7/what_is_this_disease_fungus_something_else_g_vera/)
It doesn’t always present as cracking, sometimes it’s raised bumps!
I saw a video once where a lady was talking about how edema happened to her plants because they went without water for a long loooong time because she was sick so she had her partner water them for her and just drenched them. Them going from no water to tons of it so suddenly probably made them get a little greedy and caused them to hurt themselves. Which was fine with her, they didn’t die at least which is what she wanted. I’m not sure if that’s true of all edema but it’s a probable cause at least.
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Jour #28 : C'était bien mes hormones qui m'empêchaient de perdre du poids !!! Donc maintenant que mes règles sont finies, la courbe repart à la baisse ! C'est bon çaaaaa!!!! 💪 J'ai réalisé toute la semaine dernière que mon oedème lymphatique était vraiment dépendant de mon taux d'oestrogènes… Mais il est aussi dépendant de mon poids ! Alors on continue les efforts !!! Mes jambes me remerciront !!!
Understanding Oedema: Treatment Options for Swelling and Fluid Retention
Oedema, also spelled edema, is a condition that causes swelling in different parts of the body due to the buildup of excess fluid in tissues. It commonly affects the feet, ankles, legs, hands, and sometimes the face or abdomen. While mild swelling may occur after long periods of standing or sitting, persistent or severe oedema may indicate an underlying health condition that requires medical attention.
Fortunately, several effective treatments and medicines are available to manage swelling and fluid retention. In this guide, we’ll explore the causes of oedema, treatment options, and medicines that help reduce swelling and improve comfort.
Edema (oedema), also known as fluid retention, swelling, dropsy, and hydropsy, is the build-up of fluid in the body's tissue. Most commonly, the legs or arms are affected. Symptoms may include skin that feels tight, the area feeling heavy, and joint stiffness. Other symptoms depend on the underlying cause signaling health issues such as heart, kidney, or liver disease. Severity can range from mild swelling in the limbs to life-threatening pulmonary edema.
It happened that when He went into the house of one of the leaders of the Pharisees on the Sabbath to eat bread, they were watching Him closely. And there in front of Him was a man suffering from dropsy. And Jesus answered and spoke to the lawyers and Pharisees, saying,
“Is it lawful to heal on the Sabbath, or not?”
But they kept silent. And He took hold of him and healed him, and sent him away. And He said to them,
“Which one of you will have a son or an ox fall into a well and will not immediately pull him out on a Sabbath day?”
