A stethoscope is a medical device for listening to sounds inside the body. The initial stethoscope was invented in the early 19th century by French physician Ren� Laennec, but was actually trying to achieve a rather different end: doctor-patient distance....
Wednesday, June 21, 2017
ADD/ADHD
Attention deficit disorder (ADD), formerly known as attention
deficit/hyper-activity disorder (ADHD), is one of the most common mental
disorders among children today. It is estimated that approximately 3 percent to
5 percent of all children (two to three times as many boys are affected than
girls) or nearly 2 million American children (which correlates to one child in
each classroom in the United States) have ADHD according...
Tuesday, June 13, 2017
Nursing Diagnoses Organized According to Diagnostic Divisions (continued)
Elimination—ability to excrete waste products• Bowel Incontinence• Constipation• Constipation, perceived• Constipation, risk for• Diarrhea• Motility, dysfunctional gastrointestinal• Motility, risk for dysfunctional gastrointestinal• Urinary Elimination, impaired• Urinary Elimination, readiness for enhanced• Urinary Incontinence, functional• Urinary Incontinence, overflow• Urinary Incontinence, reflex• Urinary Incontinence, stress•...
Monday, June 12, 2017
Nursing Diagnoses Organized According to Diagnostic Divisions
Activity/Rest—ability to engage in necessary or desired activities of life (work and leisure) and to obtain adequate sleep and rest
• Activity Intolerance
• Activity Intolerance, risk for
• Activity Planning, ineffective
• Disuse Syndrome, risk for
• Diversional Activity, deficient
• Fatigue
• Insomnia
• Lifestyle, sedentary
• Mobility, impaired bed
• Mobility, impaired wheelchair
• Sleep, readiness for enhanced
• Sleep Deprivation
•...
Thursday, June 8, 2017
ELECTROPHYSIOLOGY
Depolarization of the heart is the initiating event for cardiac contraction. The electric currents that spread through the heart are produced by three components: cardiac pacemaker cells, specialized conduction tissue, and the heart muscle itself.The ECG,however, records only the depolarization (stimulation) and repolarization (recovery)...
Tuesday, April 18, 2017
Reference Ranges—Hematology and Coagulation
Reference Ranges—Hematology and Coagulation
LABORATORY TEST
NORMAL ADULT REFERENCE RANGE
CLINICAL SIGNIFICANCE
Conventional Units
SI Units
Bleeding Time
3-10 minutes
3-10 minutes
▪ Prolonged in thrombocytopenia, defective platelet function, and aspirin
therapy
D-dimer
<250 mg/mL
<250 mg/mL
▪ Increased in disseminated intravascular coagulation, malignancy, and
arterial and venous thrombosis
Erythrocyte...
Ethical Core Concepts of Nursing Practice
Professional nurses occupy the frontlines of the health care arena.
So, it is no surprise that they are the part of the health care team patients
trust most with their health and welfare. Along with this privilege, nurses
carry equal duties of responsibility and accountability to follow ethical
principles and standards of care integral to the profession. Greater efforts
must be made from within the profession to apply evidence-based...
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