…of the normal electrocardiogram (ECG / EKG) Figure 1. The classical ECG curve with its most common waveforms. Important intervals and points of measurement are depicted…

…activated and contracts. Figure 1 illustrates the relevant components of the conduction system, the heart and the classical ECG waveforms. Figure 1 . The cardiac cycle…

…occlusion of small penetrating arteries that provide blood to deep structures. Lacunar stroke results in five classical lacunar syndromes, namely: (1) pure motor stroke/hemiparesis …

…The most classical ECG finding is generalized ST segment depressions with curved ST segment (generalized implies that the depressions may occur in most ECG leads…

…Conversely, patients with chronic renal failure may have very high values without the classical ECG findings. A rapidly rising potassium is usually more dangerous than…

…corticosteroids. The time limit and the choice of closure strategy The classical limit of 6–8 hours for primary closure rests on weak evidence. More…

…mechanisms. Beck’s Triad The classical clinical triad consists of: Hypotension Jugular venous distension Muffled or absent heart sounds The triad suggests severe tamponade, but…

…Chest pain or discomfort remains the cardinal symptom of CCS, but presentations are frequently non classical. Contemporary clinical populations include only a minority with symptoms…

…more likely to be found in a young patient with a clear family history and less likely in an older patient with non classical features…

…greater prevalence of MVA. Symptoms may be persistent or episodic and may not follow a classical pattern of stable exertional angina. Vasospastic angina should be…