Hypertension or high blood pressure is a condition in which the arteries have persistently elevated blood pressure. Blood pressure is the force of blood pushing up against the blood vessel walls. Higher blood pressure means that the heart is pumping harder. Untreated, hypertension can lead to damage of various organs such as retina and kidney, […]
Diseases
Cyanosis – Defintion, Types and Causes
Cyanosis is a bluish discoloration of the nails, skin and/or mucosa due to the increased amount of reduced hemoglobin (Hb). An amount of more than 5 gm% in capillary blood is required for these symptoms to manifest. Unreduced hemoglobin is the form of hemoglobin in red blood cells after the oxygen of oxyhemoglobin is released in […]