0071598626.pdf

Chest Pain and Cardiac Dysrhythmias Answers 1.The answer is b.(Rosen, pp 1039-1044.)The patient’s presentation is classic for an ...

(a, b, c, and d)The finding of S 1 Q 3 T 3 pattern is nonspecific and insen- sitive in the absence of clinical suspicion for PE. ...

widening of the QRS complex.Eventually the tracing assumes a sine- wave pattern,followed by ventricular fibrillation or asystole ...

(a)Aspiration pneumonia is an inflammation of lung parenchyma pre- cipitated by foreign material entering the tracheobronchial t ...

for increased stimulation by cocaine. This may worsen into coronary and periph- eral vasoconstriction, hypertension, and possibl ...

chest pain and NSAIDs are used for treatment. However, it does not cause valvular abnormalities leading to a murmur and pulmonar ...

(a)The anteroseptal wall of the heart is supplied by the left anterior descending coronary artery (LAD). An acute MI is identifi ...

through the bypass tract), the normal slowing effect of the AV node is lost and rapid ventricular response rates (> 200 beats ...

weakness, his ECG is consistent with life-threatening hyperkalemia and needs to be addressed emergently. A head CT scan is not r ...

180 mm Hg. (b)Anticoagulation is a relative contraindication. Many patients who suffer from an ST-elevation MI are on aspirin an ...

sulfate is a respiratory depressant and may lead to hypoventilation. It does not act as rapidly or as effectively as nitroglycer ...

radiographs are usually normal. Twenty-four to seventy-two hours after a PE, atelectasis or a focal infiltrate may be seen. Radi ...

(a)Digoxin is vagotonic. It has a slow onset that may take several hours or more to work. It should be avoided if cardioversion ...

24.The answer is b.(Rosen, pp 1130-1133.)The classic presentation of pericarditisincludeschest pain, a pericardial friction rub, ...

the agent of choice, provided that the patient is not hypotensive. Volume reduction with diureticsis also critical to lower BP a ...

into malignancy-related or nonmalignancy-related. Malignancies of primary adenocarcinoma or brain malignancy are the most likely ...

However, the disposition of patients with suspected acute coronary syn- drome should be based on the clinical examination and no ...

complaints,such as fatigue, myalgias, nausea, vomiting, diarrhea, and fever, are usually the earliest symptoms and signs of myoc ...

34.The answer is b.(Zareba, 2005.)Long QT syndrome (LQTS) is a con- genital disorder characterized by a prolongation of the QT i ...

inappropriate shock in the setting of a stable rhythm (such as seen with the patient in question). The patient in this scenario ...