THE KNOWLEGE ZONE JOURNAL

Health & Wellness

Educational reading about health, the body, and wellbeing.

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Health & Wellness

If the Initial ECG Is Nondiagnostic in a Patient With Chest Pain and a Clinical Suspicion for ACS, Which Additional ECG Leads Are Useful for Excluding a Posterior MI: Right-Sided and Posterior Leads, With Their Placement and Cutoffs

The leads that matter are V7, V8, and V9 for the posterior wall, plus V4R when a right ventricular infarct is also in question; standard 12-lead ECG is blind to the posterior wall because no electrode sits on the back.

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Health & Wellness

What Should Be the Focus of Cardiopulmonary Resuscitation on a Pregnant Patient Whose Fetus Is Known to Be at 22 Weeks: Maternal-First Sequencing, Left Uterine Displacement, and Why Delivery Is Not Indicated

The focus is the mother, full stop. In a pregnant patient at 22 weeks whose fetus is already known to be previable, cardiopulmonary resuscitation concentrates on high-quality chest compressions, airway and ventilation, and left uterine…

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Health & Wellness

Which Individual Wrote Principles of Physiological Psychology and Is Credited With Establishing a Scientific Laboratory of Psychology at the University of Leipzig: Wilhelm Wundt's 1873 Book, 1879 Lab, and the Dates That Get Mixed Up

Wilhelm Wundt wrote *Principles of Physiological Psychology* (*Grundzüge der physiologischen Psychologie*), published in 1873–1874, and is credited with founding the first laboratory dedicated to experimental psychology, established at the…

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