某男性患者，19岁，反复发作心悸5年。食管心房调搏检查记录到图4-7-8和图4-7-9。
如下图中的电生理现象提示
A:魏登斯基现象 B:裂隙现象 C:文氏现象 D:房室结双径路现象 E:超常传导
某男，33岁，心悸1周就诊。动态心电图检查如下图A、B、C所示。
图B应诊断为
A:房性心动过速 B:窦性心动过速，一度房室传导阻滞 C:房性心动过速，一度房室传导阻滞 D:交界性心动过速 E:房性心动过速，二度Ⅰ型房室传导阻滞
某男，33岁，心悸1周就诊。动态心电图检查如下图A、B、C所示。
图C应诊断为
A:房性心动过速 B:窦性心动过速，一度房室传导阻滞 C:房性心动过速，一度房室传导阻滞 D:窦性心动过速，二度Ⅰ型房室传导阻滞 E:房性期前收缩未下传
某男，33岁，心悸1周就诊。动态心电图检查如下图A、B、C所示。
图C的发生机制为
A:有效不应期延长 B:相对不应期延长并且>PP间距 C:相对不应期和有效不应期均延长，以相对不应期延长为主 D:有效不应期显著延长，只留下很短的相对不应期 E:有效不应期极度延长，大于逸搏间期
Passage Five
Temperatures on December 12
City High Low
Cleveland .................. 37° 31°
Columbia, S. C ............ 60° 27°
Columbus, Ohio ............ 41° 34°
Dallas .................... 81° 50°
Dayton. ................... 41° 33°
Decatur ................... 39° 30°
Denver .................... 49° 33°
Des Moines ................ 34° 27°
Detroit ................... 37° 28°
Dubuque ................... 30° 23°
Duluth .................... 19° 10°
Eau Claire ................ 24° 19°
El Paso ................... 79° 36°
Evansville ................ 52° 36°
Fairbanks ................. -31° -40°
Fargo ..................... 17° -2°
Flint ..................... 31° 26°
Flagstaff ................. 56° 31°
Great Falls ............... 14° 3°
Grand Rapids .............. 33° 26°
Green Ray ................. 24° 20°
What was the high temperature in Columbus, Ohio on December 12（）
A:81°. B:50°. C:41°. D:60°.
Passage Five
Temperatures on December 12
City High Low
Cleveland .................. 37° 31°
Columbia, S. C ............ 60° 27°
Columbus, Ohio ............ 41° 34°
Dallas .................... 81° 50°
Dayton. ................... 41° 33°
Decatur ................... 39° 30°
Denver .................... 49° 33°
Des Moines ................ 34° 27°
Detroit ................... 37° 28°
Dubuque ................... 30° 23°
Duluth .................... 19° 10°
Eau Claire ................ 24° 19°
El Paso ................... 79° 36°
Evansville ................ 52° 36°
Fairbanks ................. -31° -40°
Fargo ..................... 17° -2°
Flint ..................... 31° 26°
Flagstaff ................. 56° 31°
Great Falls ............... 14° 3°
Grand Rapids .............. 33° 26°
Green Ray ................. 24° 20°
What was low temperature in Flagstaff on this day（）
A:26°. B:-2°. C:3°. D:31°.
Passage Five Temperatures on December 12 City High Low Cleveland .................. 37° 31° Columbia, S. C ............ 60° 27° Columbus, Ohio ............ 41° 34° Dallas .................... 81° 50° Dayton. ................... 41° 33° Decatur ................... 39° 30° Denver .................... 49° 33° Des Moines ................ 34° 27° Detroit ................... 37° 28° Dubuque ................... 30° 23° Duluth .................... 19° 10° Eau Claire ................ 24° 19° El Paso ................... 79° 36° Evansville ................ 52° 36° Fairbanks ................. -31° -40° Fargo ..................... 17° -2° Flint ..................... 31° 26° Flagstaff ................. 56° 31° Great Falls ............... 14° 3° Grand Rapids .............. 33° 26° Green Ray ................. 24° 20°
What was low temperature in Flagstaff on this day（）
A:26°. B:-2°. C:3°. D:31°.
Passage Five Temperatures on December 12 City High Low Cleveland .................. 37° 31° Columbia, S. C ............ 60° 27° Columbus, Ohio ............ 41° 34° Dallas .................... 81° 50° Dayton. ................... 41° 33° Decatur ................... 39° 30° Denver .................... 49° 33° Des Moines ................ 34° 27° Detroit ................... 37° 28° Dubuque ................... 30° 23° Duluth .................... 19° 10° Eau Claire ................ 24° 19° El Paso ................... 79° 36° Evansville ................ 52° 36° Fairbanks ................. -31° -40° Fargo ..................... 17° -2° Flint ..................... 31° 26° Flagstaff ................. 56° 31° Great Falls ............... 14° 3° Grand Rapids .............. 33° 26° Green Ray ................. 24° 20°
What was the high temperature in Columbus, Ohio on December 12（）
A:81°. B:50°. C:41°. D:60°.
单项选择题
