Conn syndrome
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Conn syndrome
Cardiovascular system
Congenital disorders
Diseases of the myocardium
Diseases of the pericardium
Dysrhythmias
Atrioventricular block
Bundle branch block
Pulseless electrical activity
Atrial fibrillation
Atrial flutter
Atrioventricular nodal reentrant tachycardia (AVNRT)
Premature atrial contraction
Wolff-Parkinson-White syndrome
Brugada syndrome
Long QT syndrome and Torsade de pointes
Premature ventricular contraction
Ventricular fibrillation
Ventricular tachycardia
Heart failure
Hypertension
Hypotension
Infectious, immunologic, and inflammatory disorders
Ischemic heart disease
Shock
Valvular heart disease
Vascular disorders
Cardiovascular system pathology review
Acyanotic congenital heart defects: Pathology review
Cyanotic congenital heart defects: Pathology review
Cardiomyopathies: Pathology review
Pericardial disease: Pathology review
Dyslipidemias: Pathology review
Heart blocks: Pathology review
Supraventricular arrhythmias: Pathology review
Ventricular arrhythmias: Pathology review
Heart failure: Pathology review
Hypertension: Pathology review
Atherosclerosis and arteriosclerosis: Pathology review
Endocarditis: Pathology review
Coronary artery disease: Pathology review
Cardiac and vascular tumors: Pathology review
Valvular heart disease: Pathology review
Aortic dissections and aneurysms: Pathology review
Deep vein thrombosis and pulmonary embolism: Pathology review
Peripheral artery disease: Pathology review
Vasculitis: Pathology review
Shock: Pathology review
Assessments
Flashcards
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USMLE® Step 1 questions
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High Yield Notes
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Flashcards
Conn syndrome
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Questions
USMLE® Step 1 style questions USMLE
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A 44-year-old man comes to his physician complaining of muscle weakness and headaches for the past 2 months. He is a construction worker and has found it difficult to lift large objects during the job. The patient has no significant past medical history, but he states his blood pressure was “high” at a recent health fair. Temperature is 37.0°C (98.6°F), pulse is 82/min, and blood pressure is 165/92 mm Hg. Physical examination reveals no abnormalities. Laboratory testing reveals the following findings:
Serum renin levels are decreased. Which of the following is the most likely cause of this patient’s condition?
Laboratory Value | Result |
Serum | |
Sodium | 147 mEq/L |
Potassium | 2.9 mEq/L |
Chloride | 105 mEq/L |
HCO3- | 32 mEq/L |
Creatinine | 0.6 mg/dL |
Glucose | 94 mg/dL |
Serum renin levels are decreased. Which of the following is the most likely cause of this patient’s condition?
Summary
Conn syndrome, also known as primary hyperaldosteronism, is a rare disorder caused by high levels of aldosterone hormone. Aldosterone is produced by the adrenal gland, promotes Sodium conservation in the kidney, and helps the body keep Sodium and water balance.
In Conn syndrome, the adrenal gland produces too much aldosterone, and this causes the body to retain too much salt and water. This can lead to high blood pressure, edema, and hypokalemia (low potassium levels in the blood). Conn syndrome can be caused by adrenal hyperplasia or adrenal adenoma.