Q Fever Endocarditis
Q fever endocarditis represents a severe and life-threatening manifestation of chronic Coxiella burnetii infection. It predominantly affects individuals with pre-existing heart valve abnormalities, prosthetic valves,…
Pyridoxine-Dependent Seizure
Pyridoxine-dependent seizure (PDE) is a rare, autosomal recessive genetic disorder characterized by recurrent seizures that are unresponsive to conventional antiepileptic medications but dramatically responsive to…
Pyoderma Gangrenosum
Pyoderma gangrenosum is a rare, inflammatory skin disorder characterized by painful, rapidly progressing ulcers with undermined borders and surrounding erythema. Although its exact cause remains…
Pure Red Cell Aplasia Associated with Chronic Lymphocytic
Pure red cell aplasia (PRCA) is a rare hematologic syndrome characterized by severe normocytic anemia, reticulocytopenia, and selective absence of erythroid precursors in the bone…
Pure Red Cell Aplasia (PRCA)
Pure red cell aplasia (PRCA) is a rare hematologic disorder characterized by a severe reduction or complete absence of erythroid precursors in the bone marrow,…
Punctate Keratitis
Punctate keratitis is a clinical condition marked by inflammation of the cornea, specifically presenting as multiple small epithelial erosions or opacities. These punctate lesions are…
Punctate Epithelial Keratopathy
Punctate epithelial keratopathy (PEK), also known as superficial punctate keratitis (SPK), is a condition characterized by small, dot-like defects or lesions in the corneal epithelium.…
Pulmonary Thromboembolism Prevention
Pulmonary thromboembolism (PTE), a manifestation of venous thromboembolism (VTE), is a preventable but often fatal condition resulting from the obstruction of the pulmonary arteries by…
Pulmonary Emphysema
Pulmonary emphysema is a progressive and debilitating lung condition that affects the alveoli, the small air sacs in the lungs. As the alveoli become damaged…
Pulmonary Arterial Hypertension
Pulmonary arterial hypertension (PAH) is a rare but severe condition characterized by elevated blood pressure in the pulmonary arteries, the blood vessels that carry blood…