Cardiology Definition and Pathophysiology Resistant hypertension is a clinical indicator rather than a distinct disease. It identifies patients whose blood pressure remains uncontrolled despite intensive…

…pressure. The source material does not provide an exhaustive list of such agents. Resistant hypertension Resistant hypertension is not regarded as a discrete disease; rather…

…angiotensin II and plasma potassium, and resistant to suppression by sodium loading. It is the most common form of secondary hypertension. Aldosterone acts principally through…

…damage. Suspected masked hypertension: normal office blood pressure but organ damage or high risk. Treatment resistant hypertension. Suspected nocturnal hypertension or absent nocturnal dipping (diabetes…

Cardiology Respiratory medicine Definition and Pathophysiology Pulmonary hypertension (PH) is a heterogeneous pathophysiological disorder characterized primarily by elevation of pulmonary arterial pressure. It may arise…

…effect on myocardial contractility or conduction. Clevidipine reduces mean arterial blood pressure (MAP) by decreasing systemic vascular resistance (SVR). Clevidipine does not reduce cardiac filling…

…venodilation than arteriolar dilation. Effects Nicardipine causes dilation of the coronary and systemic arteries, decreases total peripheral resistance, decreases systemic blood pressure, and decreases afterload…

…signs of acute organ damage or failure. Any of the drugs listed below may be used to treat hypertensive emergencies. The desired time to action…

…signs of acute organ damage or failure. Any of the drugs listed below may be used to treat hypertensive emergencies. The desired time to action…

…there is increased resistance in the aortic valve itself, due to the reduced area of the valvular orifice. Both aortic stenosis and hypertension result in…