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Cardiac arrest is not preceded by any warning symptoms in approximately 50 percent of people. [21] For individuals who do experience symptoms, the symptoms are usually nonspecific to the cardiac arrest. [22] For example, new or worsening chest pain, fatigue, blackouts, dizziness, shortness of breath, weakness, or vomiting. [22] [12]
The differential diagnosis of catatonia is extensive as signs and symptoms of catatonia may overlap significantly with those of other conditions. Therefore, a careful and detailed history, medication review, and physical exam are key to diagnosing catatonia and differentiating it from other conditions.
The diagnosis of shock is commonly based on a combination of symptoms, physical examination, and laboratory tests. Many signs and symptoms are not sensitive or specific for shock, thus many clinical decision-making tools have been developed to identify shock at an early stage. [26]
Cardiogenic shock is a condition that is difficult to fully reverse even with an early diagnosis. [4] However, early initiation of treatment may improve outcomes. Care should also be directed to any other organs that are affected by this lack of blood flow (e.g., dialysis for the kidneys, mechanical ventilation for lung dysfunction).
Diagnosis Although diagnosis of coma is simple, investigating the underlying cause of onset can be rather challenging. As such, after gaining stabilization of the patient's airways, breathing and circulation (the basic ABCs ) various diagnostic tests, such as physical examinations and imaging tools ( CT scan , MRI , etc.) are employed to access ...
Acute respiratory distress syndrome (ARDS) is a type of respiratory failure characterized by rapid onset of widespread inflammation in the lungs. [1] Symptoms include shortness of breath (dyspnea), rapid breathing (tachypnea), and bluish skin coloration (cyanosis). [1]
Taking the history of the event is vital in the evaluation of a BRUE. The first step is determining whether this is truly a BRUE by looking for presence of abnormal symptoms or vital signs. If this is the case, then it cannot be labelled as a BRUE and the healthcare professional should treat accordingly. [5]
Prior to the invention of cardiopulmonary resuscitation (CPR), defibrillation, epinephrine injection, and other treatments in the 20th century, the absence of blood circulation (and vital functions related to blood circulation) was historically considered the official definition of death.