20 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... ) • Abnormal CXR ... refer + order CT ... History of cancer, lung ... Diagnosis #Algorithm #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Pleuritic chest pain ... Blood cultures • CXR ... ) • CXR upright ... seen • Chest CT
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... (most common: lung ... (most common: lung ... , Aneurysm • Pancreas ... Diagnosis #causes
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... potentially be an acute ... Long-standing vs ... aneurysms • Acute ... #Causes #Differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Cell Disease Vaso-occlusive ... Generally affects long ... • Differentiate ... #differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... • CT: Halo sign ... lymphadenopathy, • Abdominal ... factor • May cause
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
- Differential ... (Ischemia) - Acute ... Peripheral Vascular Disease ... e.g. fractured long ... #Orthopedics #Causes
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... enzymes, diarrhea, abdominal ... pain, hepatomegaly ... Imaging, high res CT ... NTM #Infections #differential
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Signs: weight gain ... , lung rales, peripheral ... HFrEF may lack lung ... → no signs of CXR ... coronary artery disease
Adrenal Crisis
Do not confuse acute adrenal crisis with Addison disease. In 1855, Thomas Addison described a
Do not confuse acute ... a syndrome of long-term ... In contrast, an acute ... with vomiting, abdominal ... pain, and hypovolemic