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Category: Respirology

The Hs and Ts

During¬†a cardiac arrest, this mnemonic helps you think through potential¬†etiologies. In some cases, unless the underlying cause of the cardiac…

Prevalence of pulmonary embolism in COPD exarcebation

Studies have demonstrated¬†that about 30% of patients who present with COPD exacerbation also have a concomitant pulmonary embolism (PE). Therefore…

Six deadly causes of chest pain

While there are many causes of chest pain, remember these six: Myocardial infarction Aortic dissection Cardiac tamponade Pulmonary embolism Tension…

The physiology of pulsus paradoxus

Definition of pulsus paradoxus A drop in systolic blood pressure (BP) of greater than 10 mmHg during inspiration Causes of…

Indications for extubation of a critically ill patient

When is a patient ready to be extubated? They should fulfill at least the following criteria: PaO2/FiO2 > 150 PEEP…

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