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Ventricular tachycardia (V-tach or VT) is a cardiovascular disorder in which fast heart rate occurs in the ventricles of the heart. [3] Although a few seconds of VT may not result in permanent problems, longer periods are dangerous; and multiple episodes over a short period of time are referred to as an electrical storm.
Cardiogenic shock is a medical emergency resulting from inadequate blood flow to the body's organs due to the dysfunction of the heart.Signs of inadequate blood flow include low urine production (<30 mL/hour), cool arms and legs, and decreased level of consciousness.
The most common cause of the latter is orthostatic hypotension (also called postural hypotension). Fever , hyperventilation , diarrhea and severe infections can also cause tachycardia, primarily due to increase in metabolic demands.
Class 4: Volume loss over 40% of total blood volume. Hypotension with narrow pulse pressure (less than 25 mmHg). Tachycardia becomes more pronounced (more than 120 BPM), and mental status becomes increasingly altered. Urine output is minimal or absent. Capillary refill is delayed. [3] Again, the above is outlined for a healthy 70 kg individual.
An idioventricular rhythm is a cardiac rhythm characterized by a rate of <50 beats per minute (bpm), absence of conducted P waves and widening of the QRS complex. [1] In cases where the heart rate is between 50 and 110 bpm, it is known as accelerated idioventricular rhythm and ventricular tachycardia if the rate exceeds 120 bpm.
Shock is the state of insufficient blood flow to the tissues of the body as a result of problems with the circulatory system.Initial symptoms of shock may include weakness, tachycardia, hyperventilation, sweating, anxiety, and increased thirst. [1]
Because of poor blood flow to the tissues, patients may have cold extremities. Less blood to the kidneys and brain can cause decreased urine output and altered mental status, respectively. [9] Other signs may be seen depending on the underlying cause. For example, jugular venous distension is a significant finding in evaluating shock.
Aconite can cause abnormally slow heart rates and abnormal heart rhythms such as ventricular tachycardia. [54] Ginseng can cause abnormally low or high blood pressure and may interfere with the effects of diuretic medications. Gossypol can increase the effects of diuretics, leading to toxicity. Gynura can cause low blood pressure.