http://www.nlm.nih.gov/medlineplus/ency/article/003073.htm
3 T2 `0 O6 U" `# TCoughing up bloodEmail this page to a friendShare on facebookShare on twitterBookmark & SharePrinter-friendly version n/ ]2 I$ g0 }% B
Coughing up blood is the spitting up of blood or bloody mucus from the lungs and throat (respiratory tract).
4 Y9 y7 h0 H0 o% s1 m; k8 D& F
W5 J0 Y6 [ i* l- EHemoptysis is the medical term for coughing up blood from the respiratory tract.
0 V0 T, m# c% O4 a5 R% ]" b- u& G8 l5 e1 g$ p
Considerations
% g! F% W3 l. p+ X- p+ U
# U" s, ~9 F* q2 D" U6 b' R: eCoughing up blood is not the same as bleeding from the mouth, throat, or gastrointestinal tract.
2 `2 W5 c4 B! O3 W7 e0 @; [: W) z) v- O4 ]$ ?
Blood that comes up with a cough often looks bubbly because it is mixed with air and mucus. It is usually bright red, although it may be rust-colored. Sometimes the mucus may only contain streaks of blood.
5 @7 P7 Z: [6 N, K5 p& {+ X5 `. _ z
6 ?1 E) S# u$ V9 a3 }Causes
+ [+ Q3 [% P p' S( h8 m! ?) [. `' G( h1 ]! U
A number of conditions, diseases, and medical tests may make you cough up blood, including:- g- P3 m2 i. x0 v C9 W
* e* Z. r3 Y+ |
Blood clot in the lung
+ @$ I. N: f2 c* ?! q L: b8 o3 PBreathing blood into the lungs (pulmonary aspiration)
1 u& y6 M: \- ?, B# C* IBronchoscopy with biopsy
, N$ _7 W9 `6 _* T. p) t; D# aBronchiectasis
# s( @* N; L( t( O XBronchitis
) ~1 O7 M" l W, V, G& W; fCancer6 D8 R" Y) u9 K% X8 P
Cystic fibrosis* {6 t! g# A' {' Z( b; B$ P2 L% D) ~; b
Inflammation of the blood vessels in the lung (vasculitis)+ T( d% V+ w. p
Injury to the arteries of the lungs
3 Q* M/ r; {2 C+ NIrritation of the throat from violent coughing (small amounts of blood)
% o" {2 L9 j9 m: O/ P. ^# V& _2 M' VPneumonia or other lung infections
0 s0 W# |9 q" [7 M' z" q! YPulmonary edema h. x$ a- x: q2 q4 j
Systemic lupus erythematosus
; f: Y) ]' `6 m: WTuberculosis
8 b7 d' C8 I) R; k+ l8 M& k( rHome Care6 @% I4 R2 @/ u- i3 ^ P/ C
* a) N& P9 U6 `& R$ zCough suppressants may help if this condition is due to throat irritation from violent coughing. However, cough suppressants may lead to airway blockages in some cases. Always check with your doctor before using them.
6 w, v4 _) U8 Q- K6 E1 p7 D; M0 b$ k9 l: I
It is very important to note how long you cough up blood, and how much blood is mixed with the mucus. Contact your doctor any time you cough up blood, even if you do not have any other symptoms.9 J0 u# P S4 _* @
7 p, V3 d+ I1 E2 K" c3 v
When to Contact a Medical Professional( G: o* W0 r; V* u
# O- F! B5 W0 B4 N
Get medical help right away if you cough up blood and have:3 y7 }! I! h9 G! C. D s9 D
5 }/ q3 R8 U7 R; e: ?9 X b. h/ A4 oA cough that produces more than a few teaspoons of blood
/ m8 P- m" F" d2 _+ b a) oBlood in your urine or stools! m x3 Y0 u; j1 ]; S
Chest pain1 q. b, O1 M3 h( L" V: G9 t3 D, x
Dizziness
R, ]' K; I, b( ]% Z/ r6 T/ fFever# }5 v4 G j6 M* l
Light-headedness
. Q- U5 D. A1 rSevere shortness of breath
) P2 v9 E5 q" I' }! H+ C jWhat to Expect at Your Office Visit+ D7 n( I6 J$ \$ Y+ n3 L1 H
9 d( i" y2 t* Z2 n
In an emergency case, your doctor will give you treatments to control your condition. The doctor will then ask you questions about your cough, such as:5 {$ X) c6 A7 S8 U! Q% |
/ w6 g% H) [. Q" [4 ^" P
Type B, f6 }6 L" n3 T/ t
Are you coughing up large amounts of blood (massive hemoptysis)?
# x6 s1 r; K7 E! Q- S) MCan you see blood when you cough up something?
4 y$ l( @# h$ J! Y& V* R# ^How many times have you coughed up blood?
, k$ N# E3 a2 i0 U- e d: X) O% O! {" FIs there blood-streaked mucus (phlegm)?$ T+ T5 K# F8 z1 s+ E5 H
Time pattern
% G# _- ]+ w' D0 g' y1 P9 MDid it begin suddenly?3 P2 Z; a5 l3 o5 d3 `0 i9 n# A0 f5 z
Has it increased recently?7 U- q! t7 C6 {- z5 R
For how many weeks has the cough lasted?
; l$ ~8 }8 U4 U4 L- \. bIs the cough worse at night?
6 v( K9 F3 e+ D" a- _# ~, `What other symptoms do you have?8 o2 R% B) G* Y- I; o$ t* I
The doctor will do a complete physical exam and check your chest and lungs. Tests that may be done include:
/ W8 o- {4 C! o s# u
2 K. G( u3 t4 \& ~ _; I) zBronchoscopy, a test to view the airways5 `# t5 _5 v! A% n
Chest CT scan+ x0 A7 t; b9 H: ]2 I) M
Chest x-ray
4 p( @! Y, \/ R& x5 V; bComplete blood count" X; L- \2 p! U5 J( e' n D
Lung biopsy* g3 }; F4 a4 D" k6 h; t( o
Lung scan
) X6 r* u9 P( c# bPulmonary arteriography5 E/ ^, Z# `* z" H
Sputum culture and smear
% ]; n* N6 g% o. ~8 Y9 {' jTest to see if the blood clots normally, such as PT or PTT |
显身卡
谢谢老马
