Circulatory Shock Lecture 2 PDF
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Dow University of Health Sciences
Mrs. Ruquia Feroz
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Summary
This lecture covers circulatory shock, specifically hypovolemic shock, detailing its causes, categorization, clinical presentation, and treatment. The lecture is from DOW University of Health Sciences.
Full Transcript
CIRCULATORY SHOCK HYPOVOLEMIC SHOCK By :Mrs. Ruquia Feroz This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License. OBJECTIVES: At the end of the lecture students will be able to : Describe the clinical f...
CIRCULATORY SHOCK HYPOVOLEMIC SHOCK By :Mrs. Ruquia Feroz This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License. OBJECTIVES: At the end of the lecture students will be able to : Describe the clinical features, diagnosis, pathophysiology and manage of Hypovolemic shock This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License. Hypovolemic Shock Hypovolemic shock occurs as a result of decreased circulating blood volume, most commonly from acute hemorrhage It is the most common cause of shock in trauma patients. Causes: External: bleeding (trauma), GI bleeding, ruptured aneurysms, hemorrhagic pancreatitis. vomiting or diarrhea, adrenal insufficiency, diabetes insipidus, dehydration Internal: third spacing: intestinal obstruction, pancreatitis, cirrhosis This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License. CATEGORIES OF HEMORRHAGIC/HYPOVOLEMIC SHOCK Class I Class II Class III Class IV Blood Loss % < 750 ml 750-1500 ml 1500-2000 ml > 2000 ml < 15 % (15-30 %) (30-40 %) > 40 % HR (b/min) Normal or > 100 > 120 > 140 minimally ↑ Ventilatory R. Normal 20 – 30 30 – 40 > 35 (breath/min) SBP Normal Normal Decreased Greatly Decreased Urine Output Normal 20 – 30 5 – 15 Minimal (ml/hr) This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License. CLASSIFICATION OF HYPOVOLEMIC SHOCK This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License. HYPOVOLEMIC SHOCK Markers: UOP,CVP, BP, HR, Hct, CO Treatment:ABCs, IVF (crystalloid), Blood Transfusion. Patients on β-blockers, or with spinal shock & athletes may not be presented with tachycardia. This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License. MANAGEMENT OF HYPOVOLEMIC SHOCK This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License. THANK YOU Please visit your LMS DUHS for course material and announcements. This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License.
