Mark Hamilton, Author at Psychiatry Advisor

Mark Hamilton

All articles by Mark Hamilton

Hypotension

1. Description of the problem What every clinician needs to know Hypotension is blood pressure (BP) that is below that expected for a person in a particular demographic category. Neonates have systolic blood pressure (SBP) in the 50’s and that is entirely adequate for them, whereas a middle-aged person would be expected to have an…

Critical Care of the Vascular Surgery Patient

1. Description of the problem Introduction Patients undergoing vascular surgery are a unique group undergoing both high-risk surgery and being at high risk of perioperative morbidity and mortality due to the advanced nature of their atherosclerotic disease, which is often combined with pulmonary dysfunction. Although many vascular procedures are undertaken without the need for critical…

Critical Care of the Orthopedic Surgery Patient

1. Description of the problem Introduction The most common reason for patient admission to the intensive care unit (ICU) with orthopedic problems is usually multiple trauma. Other causes for admission include patients with significant comorbidities undergoing elective or emergency orthopedic procedures. The priorities of management are quite often different in these two cohorts of patients.…

Abnormal heart rhythm

1. Description of the problem Overview of causes and general treatments Arrhythmias are rarely the cause of admission to critical care, but as many as 50% of patients develop an arrhythmia, usually early in the course of their illness. Atrial fibrillation is the most common arrhythmia encountered. Etiology of arrhythmias in ICU These occur as…

Hypertensive Crisis; Hypertensive emergency, Accelerated hypertension, Malignant hypertension

1. Description of the problem What every clinician needs to know Severe hypertension is a common scenario encountered in intensive care patients. The role of the clinician is to establish the etiology and to determine whether blood pressure reduction may be detrimental or desirable. Table I. Classification of hypertension Two terms describe conditions associated with…

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