Sickle Cell Anemia: Signs and Symptoms and Pathophysiology (Quick Review!)

23 Jul 2025 · 2 min

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1:33

In this concise educational video, the presenter explains the key pathophysiological mechanisms and clinical manifestations of sickle cell anemia. The disorder is described as a hematologic condition where abnormal hemoglobin causes red blood cells to become misshapen and sickle, leading to rapid cell destruction, reduced oxygen delivery, and vaso‑occlusion. The speaker outlines the resulting signs and symptoms—including pain crises, swollen fingers and toes (dactylitis), anemia, fatigue, pallor, stunted growth, and heightened infection risk—and highlights serious complications such as retinopathy, hemorrhage, infarction, hypertension, stroke, and tissue necrosis. The narrative emphasizes the importance of improving tissue perfusion to mitigate these effects. A brief promotional note mentions that related med‑surg flashcards are available in the Nursing SOS shop.

Chapters

Let's walk through some key signs and symptoms to look for in a patient with sickle cell anemia. Now, this is a hematological disorder. And what happens with this one is that the hemoglobin part of the red blood cells, it becomes misshapen and it gets sickled. So it causes red blood cells to clump together. And this will reduce blood flow to the organs and the tissues of the body. And that will obviously reduce the oxygen and the nutrients, right, going to those tissues and the organs. So these sickled red blood cells, they get destroyed much faster than healthy red blood cells. So that further decreases that oxygen that is going to the tissues in the organs. So because of this, we see some signs and symptoms like pain, swollen fingers and toes, anemia, because the patient just doesn't have that red blood cell level that they need. Tiredness, Obviously, if you're not getting enough blood flow to the organs, the body's going to be tired t pale skin, stunted growth, and also increased risk of infection. So blockages in the blood vessels. We want to remember that this can cause things like retinopathy, hemorrhage, infarction, hypertension, stroke, and necrosis. So with these patients, we want to make sure that we are really helping to increase that blood flow as much as possible to those tissues and the organs. You can find all these med surg flashcards inside the nursing SOS shop.